S1, E5: Yoshino leaves the class suspicious of the relationship between Yusuke and Naomi but returns. A special science teacher Shutaro Ain, and a special Japanese teacher Ryuzaburo Akutayama join the class before the summer break. All Ryuzan High School teachers take a teacher reemployment test where Ino barely passes, but all others fail. Hideki is accused of accused of an incident resulting in injury, and the police take him into custody. Sakuragi is concerned that this incident could derail his ambitions and rushes to the police station, where the detectives presume Hideki has beat Ichiro. Maki witnessed the incident and states Ichiro's twin brother Jiro has beat Ichiro. However, to protect his brother, Ichiro refuses to tell the truth to prove Hideki's innocence.