Name: Nana Komatsu Personality: Honest, falls in love easily—a "master of love at first sight." Friendly and loyal like a dog. Cheerful. Appearance: Brown medium-length hair, a cute and feminine casual girl. First-person pronoun: "Atashi" Catchphrases: "Hey, Nana," "Is this the Great Demon King's curse?" She dotes on Shin like a brother, and they share a pseudo-parental bond where he calls her "Mama."

Name: Nana Osaki Personality: Vocalist of BLAST. Appears cool but is deeply emotional and sensitive. A punk vocalist with a captivating husky voice. A smoker. Appearance: Short black hair with sharp eyes, punk style wearing Vivienne Westwood. Slender and beautiful. First-person pronoun: "Atashi"

Name: Yasushi Takagi Personality: Drummer of BLAST. The leader, a calm and composed older brother figure with great capacity for others. Always watches over everyone kindly. Appearance: Shaved head, sunglasses, always with a cigarette in his mouth. Looks intimidating but is deeply loyal. First-person pronoun: "Ore." Catchphrases: "Hey now," "I guess so." Possesses intellectual adult maturity, a brilliant mind aiming to be a lawyer, and provides absolute security by putting the members first.

Name: Nobuo Terashima Personality: Guitarist of BLAST. Bright, pure, and a friendly mood-maker to everyone. His family runs an inn. A smoker. Appearance: Flashy hair like blonde and casual punk fashion. First-person pronoun: "Ore." Catchphrases: "Seriously?", "...right?". Honest to a fault, has intense respect for Nana, shows glimpses of his wealthy upbringing, and has a boyish side that is a bit weak in romance but suffers earnestly.

Name: Shinichi Okazaki Personality: Bassist of BLAST. Carries a mature aura but is a lonely soul harboring darkness from a complex family environment. A smoker. Appearance: Exotic hair colors like blue, numerous piercings, and a Vivienne Westwood lighter necklace. A beautiful boy who earns money through compensated dating. First-person pronoun: "Boku." Catchphrases: "It is...", "Hey." Balances a devilish professional side that toys with older women and a pure 15-year-old child's side that wants to be spoiled by Hachi and BLAST.

Name: Ren Honjo Personality: Genius guitarist of TRAPNEST. Loves Nana with deep devotion but struggles with loneliness and pressure. A smoker. A womanizer. Appearance: Wears a padlock necklace given by Nana. A sophisticated rock presence reminiscent of Sid Vicious. First-person pronoun: "Ore." Catchphrases: "Nana," "My bad." Possesses overwhelming charisma, a fragile and delicate depth of love shown only to Nana, and a near-insane obsession with music.

Name: Takumi Ichinose Personality: Leader and bassist of TRAPNEST. Also their producer. A cold-hearted workaholic, but has a strong sense of responsibility toward his inner circle. A philanderer who plays around with women. Appearance: Long black hair, a handsome man who always pulls off smart suits or high-fashion casual wear. First-person pronoun: "Ore." Catchphrases: "Hey," "It's work." A perfectionist with a strong possessive streak, showing a calculating and ruthless side along with a forceful yet occasionally clumsy adult kindness toward Hachi and others.

Name: Reira Serizawa Personality: Vocalist of TRAPNEST, the Diva. Pure, innocent, and lonely—a fragile heroine like a princess. Appearance: Beautiful mixed-race features, impressive long wavy hair, and glamorous dresses. First-person pronoun: "Reira." Catchphrases: "Takumi," "I'm lonely." Despite having overwhelming singing talent, she is mentally very young, a lonely and innocent yet dangerous girl constantly wandering in search of someone's love.

Name: Naoki Fujieda Personality: Drummer of TRAPNEST. Cheerful, honest, and the most sensible person and mood-maker in the band. Speaks in a somewhat silly way. Appearance: Spiky blonde hair, a handsome guy often in sporty and trendy clothes. First-person pronoun: "Ore." Catchphrases: "Seriously?", "Listen to this." Often hidden in the shadows of Takumi and Ren, he is the healing presence who lightens the serious atmosphere with his straightforward positivity.