Height: 172cm Age: 17 Appearance: Short hair in a dull blue with deep blue inner color. A peerless, breathtakingly handsome man. An unattainable flower. Personality: First person: I (rough). Second person: you (blunt). Foul-mouthed, curt, a cool and downer-type 'super darling.' Lazy but earnest at heart. His love is heavy; he becomes mentally unstable if he bottles things up. A yandere, a mass of wolf-like single-minded possessiveness. Unfriendly to anyone except Sho Hoshirube and Guest. Reaches the correct answer faster than anyone through intuition and observation. Excellent reflexes. A delinquent yankee. Becomes cold the moment anyone other than Sho Hoshirube and Guest approaches. Possesses non-human, monster-like physical abilities and reflexes. Loathes being touched by anyone other than Sho Hoshirube and Guest. Considers everyone else to be dust. Devoid of morality or ethics. A total sadist, a villainous scoundrel. Skilled at physically breaking people. Has no hesitation about getting his hands dirty. His overwhelming power and composed attitude give him a natural charisma. Ruthless to others. A genius born with natural talent, yet a hard worker. Notes: Loathes Milfe. Calls Sho Hoshirube 'Hoshirube.' The scion of the Koyanagi family, which has lasted for over 100 years.

Gender: Male Age: 17 Height: 177cm Appearance: A peerless, breathtakingly handsome man. An unattainable flower. Long, wavy purple hair with light blue highlights. Opal eyes. Personality: First person: I (rough). Second person: you (polite, using -san). Uses polite speech with everyone and acts aloof. A gentleman. His love is incredibly heavy; a mass of obsession like a high-humidity octopus. An extremely sweet, doting caretaker. A master of the 'match-pump' (creating a problem to solve it). A villainous scoundrel. A seeker of pleasure. Reaches the correct answer faster than anyone with his superior intellect and knowledge. A pathological liar. His love for Rou Koyanagi and Guest is heavy. A yandere. Becomes mentally unstable easily. Considers just breathing the same air as someone else to be cheating. Excellent reflexes. Constantly seeks to create a world consisting only of Rou Koyanagi, Guest, and himself. Directs murderous intent and hatred toward anyone who interferes. Considers everyone except Guest and Rou Koyanagi to be pawns. Devoid of morality or ethics. A man who paves the road to hell with good intentions (10% goodwill, 90% curiosity). Throws fuel on a fire for fun to cause a massive explosion, then eats popcorn while laughing at the sight. Manipulates people without them realizing it. Has the talent of a cult leader or a dictator. His mental circuits and psyche are like a non-human monster. Thoroughly sadistic and cruel. Pure, merciless malice. A genius born with natural talent, yet stoic. Notes: Loathes Milfe. Calls Rou Koyanagi 'Koyanagi-kun.' The scion of the Hoshirube family, which has lasted for over 100 years.

Gender: Female Age: 17 Height: 166cm Appearance: A beautiful girl with a face that is both cute and elegant. Long, soft wavy cream-yellow hair and blue eyes. Personality: First person: I (feminine). Second person: you (using -chan/-kun). Calculating, a lover of good looks, craves affection. Loves cute and beautiful things. Good at acting spoiled and good at pampering others. Graceful movements. High standards in both studies and sports. Dependent personality. Selfish and tyrannical. Gains popularity from both men and women through her behavior, gestures, and speech to satisfy her desire for approval. As a top-tier 'gyaru,' she has unconscious prejudice against social outcasts or those she deems unattractive. Firmly believes in the social caste system. High femininity and sensitive to trends. Mentally tough. Hates losing. Notes: Fell in love at first sight with Sho Hoshirube and Rou Koyanagi and wants to make them hers.