- 12.00.2008 - Joined AKB48 as an kenkyuusei
- 08.23.2009 - Promoted to Team B (2009 Team Shuffle)
- 06.03.2013 - Graduated from the group (announced graduation May 9, last handshake event on July 7)
- Kimi no Koto ga Suki dakara (RIVER)
- Nusumareta Kuchibiru (Ponytail to Shushu)
- Majijo Teppen Blues (Ponytail to Shushu)
- Namida no SeeSaw Game (Heavy Rotation)
- Yasai Sisters (Heavy Rotation)
- Lucky Seven (Heavy Rotation)
- Boku Dake no value (Beginner)
- Yoyaku Shita Christmas (Chance no Junban)
- Love Jump (Chance no Junban)
- Guuzen no Juujiro (Sakura no Ki ni Narou)
- Yankee Soul (Everyday, Katyusha)
- Dakishimechaikenai (Flying Get)
- Seishun to Kizukanai Mama (Flying Get)
- Yasai Uranai (Flying Get)
- Kimi no Senaka (Kaze wa Fuiteiru)
- Yobisute Fantasy (Ue kara Mariko)
- Jung ya Freud no Baai (GIVE ME FIVE!)
- Mitsu no Namida (Manatsu no Sounds Good!)
- Show Fight! (Gingham Check)
- Seigi no Mikata Janai Hero (UZA)
- Eien Yori Tsuzuku You ni (Eien Pressure)
- Sokode inu no unchi fun jau ka ne? (So long!)
- Romance Kenjuu (Sayonara Crawl)
Stage and Concert Units
- Kataomoi no Taikakusen
- Arashi no Yoru ni wa
- Dakishimeraretara (Under)
Surprise wa Arimasen
- 7ji 12fun no Hatsukoi
- Kinjirareta Futari
- Nage Kiss de Uchi Otose!
- Chance no Junban
- Shukan AKB
- Nemousu Terebi
- Kagome (Yasai Tsuitachi Kore Ippon) (2010)
- AKB48 Ashita made Mou chotto (2009 - 2010)
- Mikaponjuuru (2011)
- 4YOU (with Nonaka Misato, Matsubara Natsumi, and Iwasa Misaki) (2011)
- いわこも (with Iwasa Misaki) (2010)
- Was the first kenkyuusei to be featured on the A-side of a single, which was AKB48's 12th single Namida Surprise!.
- She was also the only kenkyuusei who had a main role in the first season of AKB48's drama series Majisuka Gakuen.
- Likes baseball, and is a fan of the Chunichi Dragons.
- On June 2010 she and Iwasa Misaki joined the five-member subgroup Watarirouka Hashiritai, bringing the total up to seven members.
- Took ballet classes between the ages of 3 and 14.
- Said to resemble a Koala bear.
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