Ep. 9: Touko busca un beso de Yuu durante los preparativos del Día Deportivo mientras Maki observa su dinámica.

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While preparing for Sports Day, Touko brings Yuu into the sports supply closet to kiss her, asking for a kiss from her in return at the end of the day. On the appointed day, Maki tells Yuu that he doesn't have romantic feelings towards anyone, preferring to watch other romances from a distance, though notices Yuu doesn't feel exactly the same way despite her claims. At the end of the day, as Touko claims her reward, Yuu starts to become aware of her own feelings towards her. (Source: Yagate Kimi ni Naru Wiki)