Luka Urushibara

A second-year student at Kasensou Private Preparatory Academy, this polite and well-mannered classmate of Mayuri possesses a deeply earnest nature. Though naturally reserved and prone to blushing when sharing opinions, their serious personality makes them incredibly gullible. This leads Luka to believe Rintarou’s wildest claims, even as he unofficially treats them as his student for his ongoing brainwashing schemes. Despite Mayuri's frequent invitations, Luka's inherent shyness often prevents them from participating in cosplay.