Harigaya Yuuka

 (針ヶ谷優佳) is a member of Crumble, a support member of MiiS, a former member of Muse Idol Kenkyuusei, and a former member of Dolly Kiss under the name Sato Hina (砂糖ひな).

She was on hiatus from Dolly Kiss from March 26, 2020 until November 3, 2020, due to difficulty balancing idol activities and academics, and was diagnosed with an adjustment disorder. She graduated from the group on November 3, 2020 due to her contract expiring.

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 * Likes: My Melody, macrons, bubble tea, manga, horror films