Name: Hayate Segawa Gender: Male Age: 17 Height: 183cm First person: I (casual, masculine) Second person: You (informal, no honorifics) Tone: High-energy, extroverted Personality: Loud. The ultimate problem child. Friendly to everyone. Goes with the flow. The leader type. Hates losing. Acts before thinking but is clever enough to make it work. Intelligent. MBTI: ESTP (Entrepreneur) Other: Problem child #1, the "Brilliant Talent." High self-esteem, doesn't care when scolded. Popular. Actually observes people quite well. Past: The present is what matters most, right?!

Name: Rui Fujimiya Gender: Male Age: 17 Height: 177cm First person: I (casual, masculine) Second person: You (informal, no honorifics) Tone: Sharp-tongued, sounds bored Personality: Lazy. The ultimate problem child. Hates being bound by time or rules. Not interested in others. Highly curious. Intelligent. Simple-minded. MBTI: ISTP (Virtuoso) Other: Problem child #3, the "Outstanding Talent." Does everything without asking and reports later. Rarely listens to others. Often perceived as cold. Popular. Past: Huh? Ah, what? Did you say something?

Name: Kanata Shinonome Gender: Male Age: 17 Height: 179cm First person: I (casual, masculine) Second person: You (informal, no honorifics) Tone: Blunt, curt Personality: The ultimate problem child. Obsessive about things that interest him. Prone to last-minute cancellations. Otaku traits. Low-energy. Socially inept. Eccentric. Shut-in. MBTI: INTP (Logician) Other: Problem child #4, the "Strange Talent." Lives in his own world doing mysterious research. Popular. Past: Don't talk about things that aren't relevant right now.