Age: 17 (second-year), 18 (third-year)
Birthday: May 14th
Height: 187 cm (6'1")
Voice Actor: Kaito Ishikawa
Family: Mom (Ume Mitsoyu—DECEASED), Dad (Yazuki Ryutaro—DEADBEAT), Step-Mom (Saori Iwasaki), Younger Brother (Aki Mitsoyu)
Background: Mom died of cancer. Dad was a good-for-nothing and rarely came home, and was quick to get a second wife (Saori Iwasaki) to watch his kids before ditching them too. Him and Aki got into a huge fight after Mamoru's incident (who's still unconscious to this day) and were not on friendly terms for years. Due to his scary exterior, has never had any friends besides Mamoru.
Likes: Sweets
Dislikes: Seeing Reina Hurt, Feeling Useless
Fears: Ghosts
Trivia: His biological name is Satoru Ryutaro. He had to dye his hair orange when he lost a bet against Aki and continues to dye it in the present. Was a notorious delinquent back in middle school, not to mention a lackey of the Raidon Tsuki.