Bloody Butterfly Effect / Manana, Ootoro, and Me / Bump of Slave.After accidentally elbowing motorcycle gang leader Mayuta Andō and knocking over his bicycle, Chio escapes the situation by taking on her online persona, Bloody Butterfly, and scaring him into quitting his gang. The next day, Chio and her friend Manana Nonomura spy on Yuki being confessed to by a boy, ending up in a compromising situation themselves when she mentions being friends with Chio. Later, Manana lies about having experience with guys to try and get in good graces with Yuki.