Yuta is energetic and cheerful, even in difficult situations. He appears very friendly. He is also very naive and rather oblivious to most things. He appears to like sports and used to be part of his school's track and field team. Yuta is shown to be extremely confident in his swimming skills, though he admits that his sister has always been better than him. Similar to his sister, Yuta isn't very smart and can be headstrong. As stated by Toko Fukawa, "Like idiot sister, like idiot brother."