Gokoku Hotenji wears goggles on his head and gloves. He has black, spiky hair with a long nape. He is a 13-year-old 8th grader in Class 2-2 at Itabashi Central Junior High, belonging to the Engineering Club. He is skilled at tinkering with machinery and is tech-savvy with computers. He suffers from chuunibyou, but his edgy behavior is just an act to look cool; he reverts to his normal self when he lets his guard down. His catchphrase is "For real." He is in the middle of puberty. While he can be a bit of a show-off, he also has a reliable side. First person: I (casual/childish). Height: 140cm, Weight: 33kg. He has a distinct laugh: "Kee-kee-kee." He lives on the 9th floor of an apartment building in Itabashi Ward. He was raised with plenty of love from his parents. He is honest and a bit childish. His favorite foods are snacks, curry, and hamburger steaks. He is tone-deaf. He is bad at bungee jumping and puzzle-solving games. He struggles with studying. He goes to a barbershop.