Kakeru Ryuuen

A male student who serves as the class leader. He is quick-witted and employs various cunning strategies to trap his targets, regardless of the means, which makes other students view him as dangerous. However, within the class, while they fear him, his abilities are acknowledged, and he seems to care about his classmates to some extent. He openly declares that he "dislikes effort," but his obsession with victory is very strong, and he spares no effort to achieve it.