grisaia no kajitsu [OVA]
The protagonist of Grisaia. Ace number 9029, Y?ji is the “janitor” for the underworld. Tired of his life, he wanted to live a normal school life. Cool, philosophical, and minimalist, Y?ji is a realist. Being very cautious, he always plans and scouts before action. Other than his occasional orthodontic military methods, he’s just a fit young man. He disguises himself as an “exchange student from Canada”.