Yasuhiro is one of the more cheery, laid-back students, though a bit odd as well. However, he is generally not well-liked and he himself has openly admitted that he has no friends, being quite cowardly, lazy, slow-witted, and having a habit to act selfishly. Notably, he is mentioned to be very clumsy with money and he has constant problems with massive debts. He tends to talk absurdly about subjects such as conspiracy theories and the one time aliens stole his hamburger.