Yui Kobayashi

Kobayashi Yui, Yousti

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2026-06-25

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Who is this?

Yui Kobayashi (Japanese: 小林由依, Hepburn: Kobayashi Yui; born 23 October 1999), also known as Yousti (stylized in all lowercase), is a Japanese singer and model. She is a former member of the idol group Sakurazaka46 (formerly Keyakizaka46). She is represented by Sony Music Records and is an exclusive model with a fashion magazine with.