Tsukamoto Mariko, 2014
|Birthdate||July 16, 1976|
|Team||Former Otona AKB48|
- 2014.04.16 - Announced as the winner of the Otona AKB48 audition, and joined AKB48 as a temporary member.
- 2014.09.01 - Graduated from AKB48's Otona AKB48 (Announcement: July 15, 2014 | Last handshake event: August 31, 2014)
- Ichiban Song SHOW
- Hobbies: Childcare
- Has a 10-year experience as a ballet dancer
- Has two children
- Her nickname was suggested by Shimazaki Haruka, and was based on Watanabe Mayu's nickname.
- Center of the song Oshiete Mommy for Papico CM
- She made her theater debut on July 16, with Team 4. She centered Kataomoi no Taikakusen and celebrated her birthday
- She performed with Team 4 a total of four times before her graduation, one of them being her final performance
- Her catchphrase was made by Minegishi Minami.
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