Hiroya Tokitō

Plot
Hiroya was the member of Cow Group in Cruise Ship Special Test. He is the leader of the faction opposing Ryūen and hates Ryūen for acting as the leader of their class. He doesn't like Ryūen's methods and policies. After Kōhei Katsuragi transferred to their class, Hiroya tries to persuade Katsuragi to be the flagbearer of the rebellion against Ryūen.