Mitsuya is a calm level-headed person. Despite his rough upbringing, he tackles every day with a smile. He is a pacifist, preferring to not get into an altercation if possible, but at the same time, will not hesitate to fight to protect what is dear to him. He has shown an angrier side to him, getting frustrated at Takemichi when he was losing and told him to stay focused. He has two younger sisters, Luna and Mana. Mitsuya has a short messy hairstyle with black highlights. He wears glasses.