He is fat with a saggy chin.
He is friends with Maruo Nakano.
He puts pressure on Yuusuke to perform in the mock tests to build a relationship with Head Doctor Nakano, believing Yuusuke wants to be a doctor like his mother, and was willing to cheat by giving him the mock test answers. However, Yuusuke really wants to be an astronaut and feels restricted by his father.
He is friends with the chairman from the Nakano Quintuplets' middle school.