市井 清孝

Hobby: Reading.
Special skills: Quickly cutting off a rat's neck, performing experiments at the university.
Likes: Performing, experiments, adjusting his glasses, tobacco, tofu, driving.
Hates: Being hungover, sweets, people who care about others profusely.

A third-year student of the faculty of Science and Technology at Chihaya University. Kiyotaka is smart, calm, mature and modest.