He is usually seen building Gundam models in the staff room or during lunch, and adores fancy cars. He spends all his money buying Gundam models and even borrows money from Yukiji to buy more. He is 28 years old but he is still single and without a girlfriend. In episode 29 of the anime, it is revealed that Kyonosuke has feelings for Yukiji, whom he has known from childhood. During the Golden Week vacation, he and Yukiji went to Italy. While staying there, Kyonosuke confesses to Yukiji.