Mitsuya is a calm level-headed person who once served as the main source of positivity in Tokyo Manji Gang. Despite his rough upbringing, he tackles every day with a smile. Mitsuya 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 cares for his two younger sisters, Luna and Mana. Now that he's older, he still takes care of his younger sisters who are now in high school.