AOKI KEIKO 青木恵子

… Alternative Names

Aoki Keiko 青木恵子

AOKI Keiko 青木恵子

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Researcher Number	10546732
Other IDs
Affiliation (Current)	2025: 埼玉大学, 人文社会科学研究科, 准教授
Affiliation (based on the past Project Information) *help	2022 – 2023: 埼玉大学, 人文社会科学研究科, 准教授 2017 – 2022: 九州大学, エネルギー研究教育機構, 准教授 2016 – 2017: 横浜国立大学, 研究推進機構, 特任教員(講師) 2014 – 2016: 横浜国立大学, 研究推進機構, 講師 2009 – 2012: Osaka University, 社会経済研究所, 特任助教
Review Section/Research Field	Principal Investigator Economic policy / Basic Section 07040:Economic policy-related / Applied economics Except Principal Investigator Basic Section 07060:Money and finance-related / Basic Section 07040:Economic policy-related / Basic Section 25020:Safety engineering-related / Basic Section 41010:Agricultural and food economics-related / Basic Section 58010:Medical management and medical sociology-related / Agricultural science in management and economy
Keywords	Principal Investigator 実験経済学 / 経済実験 / フィールド実験 / 選択型実験法 / 木質バイオマス暖房 / バイオマスエネルギー / 生物多様性 / 稀少性 / 資源経済学 / 米 … More / 稀少性生物 / 情報の効果 / SDGｓ / 農福連携 / 食農福エネルギー経済循環システム / 福祉型バイオマスタウン / 木質バイオマスエネルギー / バイオマス / 食農林環エネルギー経済システム / 食農環経済システム / 農業資源経済学 / マルチエージェントシミュレーション / 国際比較 / 摂食行動 / 購買行動 / 生物多様 / 朱鷺 / 調査 / 実験 / 食品の安全性 / Public eye / 嘘 / 食品の安全 / 実験経済 / うそ / 匿名性 / 虚偽行為 / 食品偽装事件 … More Except Principal Investigator 経済実験 / 実験経済学 / バブル / 行動ファイナンス / 価値と価格の乖離 / 集合知 / 実験資産市場 / ミスプライシング / 市場実験 / 期待形成 / 生産システム / 社会的孤立 / 信頼 / 共創 / インセンティブ / 経営者 / リスク評価 / 産業事故 / 移動式ラボ / 農地の自然再生 / RTC / ため池 / 農文化 / 伝統的景観 / ＲＣＴ / RCT / 英国農業政策 / 合意形成 / ELM事業 / エコツーリズム / 荒廃農地 / 生物多様性 / 限界地農業 / 耕作放棄地 / 自然再生 / サーベイ / 減塩 / 高血圧 / 実験オークション / 利他性 / エシカル消費 / 公共財的属性 / 消費者行動 / 農業経済学 / スキャナーデータ / フードシステム / 仮想バイアス / 選好異質性 / 消費者評価 / スキャナーパネルデータ / 倫理的消費 / 食料消費 Less

Design of a food, agriculture, and energy economic circulation system for a welfare-oriented biomass townPrincipal Investigator
- Principal Investigator
  
  青木恵子
- Project Period (FY)
  2023 – 2026
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 07040:Economic policy-related
- Research Institution
  Saitama University
Co-creation for stable security systems to enhance trust among labors
- Principal Investigator
  
  赤井研樹
- Project Period (FY)
  2021 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 07040:Economic policy-related
- Research Institution
  Shimane University
A Study of the Interaction between Expectation, Price, and Fundamentals to Understand Bubbles Through Experiments and Surveys
- Principal Investigator
  
  秋永利明
- Project Period (FY)
  2021 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 07060:Money and finance-related
- Research Institution
  Tokoha University
Design for a sustainable social system employed biomassPrincipal Investigator
- Principal Investigator
  
  Aoki Keiko
- Project Period (FY)
  2020 – 2023
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 07040:Economic policy-related
- Research Institution
  Saitama University
  Kyushu University
Economic experiments on methods for providing incentives to corporate managers to prevent industrial accidents
- Principal Investigator
  
  Makino Ryoji
- Project Period (FY)
  2020 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 25020:Safety engineering-related
- Research Institution
  National Institute of Advanced Industrial Science and Technology
Survey on the value of salt reduction among young people and school cafeteria intervention experiment to deter prehypertension by applying experimental social science
- Principal Investigator
  
  Akai Kenju
- Project Period (FY)
  2018 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 58010:Medical management and medical sociology-related
- Research Institution
  Shimane University
Consensus building for natural regeneration of abandoned land and local development: Verification of value shift through economic experimentation.
- Principal Investigator
  
  Yabe Mitsuyasu
- Project Period (FY)
  2018 – 2020
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 41010:Agricultural and food economics-related
- Research Institution
  Kyushu University
Economic System Design for Co-creation of Sustainable Biodiversity Rural SocietyPrincipal Investigator
- Principal Investigator
  
  Aoki Keiko
- Project Period (FY)
  2017 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Economic policy
- Research Institution
  Saitama University
  Kyushu University
An investigation of consumer preference for the public good aspects of food attributes
- Principal Investigator
  
  UJIIE Kiyokazu
- Project Period (FY)
  2016 – 2018
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Agricultural science in management and economy
- Research Institution
  University of Tsukuba
Design for a safe and secure social system on foods, agriculture and environmentPrincipal Investigator
- Principal Investigator
  
  Aoki Keiko
- Project Period (FY)
  2014 – 2017
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Economic policy
- Research Institution
  Yokohama National University
Strategic information transition system on middle-term food safety problemPrincipal Investigator
- Principal Investigator
  
  AOKI Keiko
- Project Period (FY)
  2011 – 2012
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Economic policy
- Research Institution
  Osaka University
Strategic information transition's experiment on food safety problemPrincipal Investigator
- Principal Investigator
  
  AOKI Keiko
- Project Period (FY)
  2009 – 2010
- Research Category
  
  Grant-in-Aid for Research Activity Start-up
- Research Field
  
  Applied economics
- Research Institution
  Osaka University

All 2023 2022 2021 2020 2019 2018 2017 2016 2015 2012 2010 2009

All Journal Article Presentation

[Journal Article] Testing hypothetical bias in a choice experiment: An application to the value of the carbon footprint of mandarin oranges2022
- Author(s)
  Aoki Keiko、Akai Kenju
- Journal Title
  
  PLOS ONE
  
  Volume: 17 Issue: 1 Pages: e0261369-e0261369
- DOI
  10.1371/journal.pone.0261369
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17K03679
[Journal Article] Continuous Efforts Leads to a Value for Hypertensive Patients: Development of a Casual Smart Na/K Meter and Smart Na/K Application Linked by NFC to Android2020
- Author(s)
  Akai, K., Hirotomi, T., Mishima, A., Aoki, K., Kijima, T., & Nabika, T.
- Journal Title
  
  International Journal of Automation Technology
  
  Volume: 14 Issue: 5 Pages: 791-799
- DOI
  10.20965/ijat.2020.p0791
- NAID
  130007897182
- ISSN
  1881-7629, 1883-8022
- Year and Date
  2020-09-05
- Language
  English
- Data Source
  KAKENHI-PROJECT-18K09942
[Journal Article] The impact of information on taste ranking and cultivation method on rice types that protect endangered birds in Japan: Non-hypothetical choice experiment with tasting2019
- Author(s)
  Aoki Keiko、Akai Kenju、Ujiie Kiyokazu、Shimmura Takeshi、Nishino Nariaki
- Journal Title
  
  Food Quality and Preference
  
  Volume: 75 Pages: 28-38
- DOI
  10.1016/j.foodqual.2018.11.021
- NAID
  120007127914
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17K03679
[Journal Article] The impact of information on taste ranking and cultivation method on rice types that protect endangered birds in Japan: Non-hypothetical choice experiment with tasting.2019
- Author(s)
  Aoki, K., Akai, K., Ujiie, K., Shimmura, T., & Nishino, N.
- Journal Title
  
  Food Quality and Preference
  
  Volume: 75 Pages: 28-38
- NAID
  120007127914
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-16H04985
[Journal Article] A choice experiment to compare preferences for rice in Thailand and Japan: The impact of origin, sustainability, and taste.?2017
- Author(s)
  AOKI, Keiko; AKAI, Kenju; UJIIE, Kiyokazu.
- Journal Title
  
  Food Quality and Preference
  
  Volume: 56 Pages: 274-284
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-16H04985
[Journal Article] 相談することで高齢者が投資詐欺にあうことを防げるか：実験を利用した検証2012
- Author(s)
  北村智紀,中嶋邦夫,赤井研樹,青木恵子
- Journal Title
  
  季刊　家計経済研究
  
  Volume: 94
- NAID
  130004554884
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23730276
[Journal Article] 看護師免許保有者の再就職時における職場選択-選択型実験法を用いた選好調査-2012
- Author(s)
  青木恵子, 赤井研樹, 青木喜子
- Journal Title
  
  医療経済研究
  
  Volume: vol.23, No.2 Pages: 111-127
- Data Source
  KAKENHI-PROJECT-23730276
[Journal Article] Do Consumers Select Food Products Based on Carbon Dioxide Emissions?2012
- Author(s)
  K. Aoki, K. Akai
- Journal Title
  
  Proceedings of APMS 2012 International Conference Advances in Production Management Systems, USB memory
  
  Pages: 8-8
- Data Source
  KAKENHI-PROJECT-23730276
[Journal Article] A Choice Experiment for Air Travel Services2012
- Author(s)
  K. Akai, K. Aoki, N. Nishino
- Journal Title
  
  Proceedings of APMS 2012 International Conference Advances in Production Management Systems, USB memory
  
  Pages: 8-8
- Data Source
  KAKENHI-PROJECT-23730276
[Journal Article] 看護師免許保有者の再就職時における職場選択―選択型実験法を用いた選好調査―2012
- Author(s)
  青木恵子,赤井研樹,青木喜子
- Journal Title
  
  医療経済研究
  
  Volume: 23（2）
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23730276
[Journal Article] 相談することで高齢者が投資詐欺にあうことを防げるか:実験を利用した検証2012
- Author(s)
  北村智紀, 中嶋邦夫, 赤井研樹, 青木恵子
- Journal Title
  
  季刊家計経済研究
  
  Volume: vol.94 Pages: 62-71
- NAID
  130004554884
- Data Source
  KAKENHI-PROJECT-23730276
[Journal Article] 大阪府泉南地域における選択型実験法を用いた妊婦の分娩施設選択に影響する要因分析2010
- Author(s)
  瀋俊毅, 青木恵子, 他8名
- Journal Title
  
  医療と社会
  
  Volume: 20(2) Pages: 185-197
- NAID
  40017251342
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21830059
[Journal Article] Consumer Reaction to Information on Food Additives : Evidence from an Eating Experiment and a Field Survey2010
- Author(s)
  Keiko Aoki, Junyi Shen, Tatsuyoshi Saijo
- Journal Title
  
  Journal of Economic Behavior and Organization 73
  
  Pages: 433-438
- Data Source
  KAKENHI-PROJECT-21830059
[Journal Article] 大阪府泉南地域における選択型実験法を用いた妊婦の分娩施設選択に影響する要因分析2010
- Author(s)
  瀋俊毅, 青木恵子, 他8名
- Journal Title
  
  医療と社会 20(2)
  
  Pages: 185-197
- NAID
  40017251342
- Data Source
  KAKENHI-PROJECT-21830059
[Journal Article] Consumer reaction to information on food additives : Evidence from an eating experiment and a field survey2010
- Author(s)
  青木恵子、瀋俊毅、西條辰義
- Journal Title
  
  Journal of Economic Behavior & Organization 73巻
  
  Pages: 433-438
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21830059
[Journal Article] Consumer Reaction to Information on Food Additives : Evidence from an Eating Experiment and a Field Survey2010
- Author(s)
  Keiko Aoki, Junyi Shen, Tatsuyoshi Saijo
- Journal Title
  
  Journal of Economic Behavior and Organization
  
  Volume: 73 Pages: 433-438
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21830059
[Presentation] An Impact of System Down Risk Disclosure on Maintenance Service Personnel Effort and System Liability: An Experimental Economic Analysis with Student Subjects2023
- Author(s)
  Makino, R., Akai, K., Takeshita, J., Kudo, T., Aoki, K.
- Organizer
  The 8th International Conference on Serviceology (ICServ2023), O4-03, Tokyo, Sep 14, 2023.
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K01461
[Presentation] An Impact of System Down Risk Disclosure on Maintenance Service Personnel Effort and System Liability: An Experimental Economic Analysis with Student Subjects2023
- Author(s)
  Makino, R., Takeshita, J., Kudo, T., Aoki, K., Akai, K.
- Organizer
  SRA 2023 Annual Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H02402
[Presentation] The Effect of Service Provider-Receiver Balance of Profits and Monitoring by Service Associations on Service Providers' Lying Offers: An Economic Experiment with Students2023
- Author(s)
  Aoki, K., Akai, K.
- Organizer
  The 8th International Conference on Serviceology (ICServ2023), O6-04, Tokyo, Sep 14, 2023.
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K01461
[Presentation] An Impact of System Down Risk Disclosure on Maintenance Service Personnel Effort and System Liability: An Experimental Economic Analysis with Student Subjects2023
- Author(s)
  Makino, R., Akai, K., Takeshita, J., Kudo, T., Aoki, K.
- Organizer
  SRA 2023 Annual Meeting, P.76, Washington DC, USA Dec 11, 2023.
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K01461
[Presentation] An Impact of System Down Risk Disclosure on Maintenance Service Personnel Effort and System Liability: An Experimental Economic Analysis with Student Subjects2023
- Author(s)
  Makino, R., Akai, K., Takeshita, J., Kudo, T., Aoki, K.
- Organizer
  The 8th International Conference on Serviceology (ICServ2023)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H02402
[Presentation] Framing Effect of Willingness to Pay for Salt Reduction in Hypertensive Patients2021
- Author(s)
  Akai, K.*, Aoki K., Kijima, T., Yamasaki, M., Yano, S., Isomura, M., Nabika, T.
- Organizer
  Virtual ISPOR 2021
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K09942
[Presentation] Framing Effect of Salt Reduction for Hypertension Prevention: A Discrete Choice Experiment,2020
- Author(s)
  K. Akai, K. Aoki, T. Kijima, S. Yano, M. Yamazaki, M. Isomura, T. Nabika
- Organizer
  34th EFFoST International Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K09942
[Presentation] ナトリウム・カリウム計を用いた大学生の減塩誘発実験2019
- Author(s)
  赤井研樹, 木島庸孝, 並河徹, 磯村実, 山崎雅之, 武田美和子, 青木恵子
- Organizer
  第8回臨床高血圧フォーラム, 久留米, 2019年5月11日.
- Data Source
  KAKENHI-PROJECT-18K09942
[Presentation] University school cafeteria experiment of buying low-salt meals cooked with seaweed salt in Japan.2019
- Author(s)
  Akai, K., K. Aoki, K. Ujiie, Isomura, M., & Nabika, T.
- Organizer
  Pangborn 2019.
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K09942
[Presentation] Consumers’ value of foods with the carbon footprint in the non-hypothetical and hypothetical choice experiments2018
- Author(s)
  Keiko Aoki
- Organizer
  EuroSense
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K03679
[Presentation] Comparative Analysis of Preferences for Rice in Thailand and Japan2016
- Author(s)
  Kiyokazu Ujiie, K. Aoki, K. Akai
- Organizer
  2016 International Conference on Global System Risk in Food, Climate Change and Finance
- Place of Presentation
  Korea University, Seoul, Republic of Korea
- Year and Date
  2016-10-18
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H04985
[Presentation] A choice experiment to compare the value of indica and japonica rice between Japan and Thai land - considering to survive after introducing the free market to the Asia-Pacific nations2015
- Author(s)
  Keiko AOKI
- Organizer
  11th Pangborn Sensory Science Symposium
- Place of Presentation
  Gothenburg, Sweden
- Year and Date
  2015-08-23
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26780142
[Presentation] Do Consumers Select Food Products Based on Carbon Dioxide Emissions?2012
- Author(s)
  K. Aoki, K. Akai
- Organizer
  International Conference Advances in Production Management Systems, Session SMS-1
- Place of Presentation
  Rhodes, Greece
- Data Source
  KAKENHI-PROJECT-23730276
[Presentation] An apology for lying2012
- Author(s)
  K. Aoki, K. Akai, K. Onoshiro
- Organizer
  2012 ESA Europe Conference
- Place of Presentation
  the University of Cologne, German
- Data Source
  KAKENHI-PROJECT-23730276
[Presentation] Deception and confession : Experimental evidence from a deception game in Japan2010
- Author(s)
  Aoki, K., K.Akai, K.Onoshiro
- Organizer
  Economic Science Association World Meeting
- Place of Presentation
  University of Copenhagen(Denmark)
- Year and Date
  2010-07-09
- Data Source
  KAKENHI-PROJECT-21830059
[Presentation] Deception and confession : Experimental evidence from a deception game in Japan2010
- Author(s)
  Keiko Aoki
- Organizer
  Economic Science Association World Meeting
- Place of Presentation
  University of Copenhagen (Denmark)
- Year and Date
  2010-07-09
- Data Source
  KAKENHI-PROJECT-21830059
[Presentation] Deception and confession : Experimental evidence from a deception game in Japan2010
- Author(s)
  Aoki, K., K.Akai, K.Onoshiro
- Organizer
  日本経済学会2010年度秋季大会
- Place of Presentation
  関西学院大学
- Year and Date
  2010-09-18
- Data Source
  KAKENHI-PROJECT-21830059
[Presentation] Which do consumers value more the reduction of carbon dioxide emissions or the appearance of foods? : Evidence from a buying experiment in Japan2009
- Author(s)
  青木恵子
- Organizer
  日本経済学会2009年度春季大会
- Place of Presentation
  京都大学(京都府)
- Year and Date
  2009-06-07
- Data Source
  KAKENHI-PROJECT-21830059
[Presentation] Which do consumers value more the reduction of carbon dioxide emissions or the appearance of foods? : Evidence from a buying experiment in Japan2009
- Author(s)
  青木恵子
- Organizer
  Economic Science Association - European Meeting 2009
- Place of Presentation
  University of Innsbruck (Austria)
- Year and Date
  2009-09-19
- Data Source
  KAKENHI-PROJECT-21830059

1. Akai Kenju (20583214)

# of Collaborated Projects: 9 results

# of Collaborated Products: 14 results
2. 工藤隆則 (80736695)

# of Collaborated Projects: 6 results

# of Collaborated Products: 4 results
3. UJIIE Kiyokazu (30401714)

# of Collaborated Projects: 1 results

# of Collaborated Products: 3 results
4. Yabe Mitsuyasu (20356299)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
5. Makino Ryoji (90415745)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
6. 茂野隆一 (60292512)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. 木島庸貴 (10727233)

# of Collaborated Projects: 1 results

# of Collaborated Products: 3 results
8. 並河徹 (50180534)

# of Collaborated Projects: 1 results

# of Collaborated Products: 4 results
9. 稲垣栄洋 (20426448)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
10. 野村久子 (60597277)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. 黒川哲治 (80438803)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. 竹下潤一 (60574390)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
13. 熊崎美枝子 (70358430)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
14. 高野研一 (00371691)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
15. 秋永利明 (60286606)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

AOKI KEIKO 青木 恵子

Aoki Keiko 青木 恵子

AOKI Keiko 青木 恵子

Research Projects

Research Products

Co-Researchers

Design of a food, agriculture, and energy economic circulation system for a welfare-oriented biomass townPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Co-creation for stable security systems to enhance trust among labors

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

A Study of the Interaction between Expectation, Price, and Fundamentals to Understand Bubbles Through Experiments and Surveys

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Design for a sustainable social system employed biomassPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Economic experiments on methods for providing incentives to corporate managers to prevent industrial accidents

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Survey on the value of salt reduction among young people and school cafeteria intervention experiment to deter prehypertension by applying experimental social science

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Consensus building for natural regeneration of abandoned land and local development: Verification of value shift through economic experimentation.

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Economic System Design for Co-creation of Sustainable Biodiversity Rural SocietyPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

An investigation of consumer preference for the public good aspects of food attributes

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Design for a safe and secure social system on foods, agriculture and environmentPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Strategic information transition system on middle-term food safety problemPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Strategic information transition's experiment on food safety problemPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] Testing hypothetical bias in a choice experiment: An application to the value of the carbon footprint of mandarin oranges2022

Author(s)

AOKI KEIKO 青木恵子

Aoki Keiko 青木恵子

AOKI Keiko 青木恵子