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Okashina Sisters (お菓子なシスターズ) was a one-shot unit from AKB48 that was considered the predecessor to Watarirouka Hashiritai. Okashina Sisters consisted of Ota Aika, Nakagawa Haruka, and Watanabe Mayu, all of who went on to become members of Watarirouka Hashiritai.

Okashina Sisters was formed in 2008 to perform the ending theme for the anime Miracle! Mimika, Koi no Chewing. However, the song was never released as a single of its own, and instead became a coupling song for Watarirouka Hashiritai's first single Hatsukoi Dash/Aoi Mirai‎.

The name Okashina Sisters is a pun on okashi (お菓子), meaning “sweets”, and okashii na (可笑しいな), meaning “amusing” or “strange”.

Former Members[]

Ota Aika

Nakagawa Haruka

Watanabe Mayu