Boku wa Ohimesama ni Narenai

A girl from a poor family, Shindou Rei, wears secondhand clothes, including her school uniform, and is often mistaken for a boy. Her friend Hakuba Ouji begins to feel uncertain emotions toward her, unaware of her true identity. Meanwhile, Tsukumo Yuki, the leader of a delinquent group, sees Rei and develops feelings for her, also thinking she is male.