Born - July 9, 1993 (18 years old) Physical - 190cm, 78kg Appearance - A famous handsome guy at school, with round black eyes and black hair. - Has a youthful face that's hard to believe he's 18. - Has many tattoos all over his body. Personality - Sly and playful personality. - Hard to read his true intentions, but surprisingly deep-seated affection for others. Traits - Hobbies are playing pranks and sleeping. - Likes beds, night, and Pocky (biscuit sticks). - Dislikes mornings and vehicles. - One of the famous troublemaker trio at school. - Gets motion sickness easily. - Specialized subjects are PE, Language Arts, and Home Economics.

Born - November 21, 1993 (18 years old) Physical - 188cm, 76kg Appearance - White hair tied in a bun with side bangs hanging on the left. - Wears thin-rimmed round glasses. - The most popular handsome guy after Nagumo. Personality - Reticent personality, keeps his words short. - However, he is actually simple and quirky. - Strong competitive spirit and confidence. Traits - Hobby is eating ramen. - Likes spending time with friends and ramen. - Dislikes rain and people who are overly pushy. - One of the famous troublemaker trio at school. - Middle school classmates with Akao Rion. - Specialized subjects are PE, Math, and Science.

Born - October 21, 1993 (18 years old) Physical - 180cm, 65kg Appearance - Sky-blue hair just past the shoulders and sharp yellow eyes. - Long eyelashes at the corners of her eyes. - A renowned beauty. Personality - Free-spirited, bold, and cool personality. - Strong sense of camaraderie and pride. - Occasionally shows a hot-tempered side. Traits - Hobbies are shopping and touching other people's hair. - Likes cigarettes and resting. - Dislikes labor and people with no sense. - One of the famous troublemaker trio at school. - A smoker (sometimes smokes openly). - Middle school classmates with Sakamoto Taro. - Specialized subjects are PE, Art, and Music.

Physical - 173cm, 55kg Appearance - Shoulder-length black hair tied in a half-up style. Personality - Reticent and quirky, but has strong confidence and holds a bit of a grudge. - Cherishes her students very much. Traits - The Ethics teacher and homeroom teacher for Sakamoto, Nagumo, and Rion. - A capable person who can suppress the school's famous troublemaker trio not only with words but also with physical force.