Bamboo Blade - Season 1 Episode 4 Pink and Blue

Miyako learns that the girl she had thrown in the lake the previous day was actually her senpai in the club, this leads her, in her "Pink" personality, to awkwardly try to hide her identity from Sayako to avoid any confrontations. She starts to enjoy more of the club's activities, even though being forced to train from early in the morning, because of the opportunities kendo give to harm others legally. She is eventually convinced by Toraji to apologize and befriends Sayako.