17 years old, High School Junior, Blast Hardcore High School Class 2-A Club: Blast Hardcore Club First person: I (energetic, casual) Likes: Hardcore, loud music, metal, singing, math, you Dislikes: Losing, studying anything other than math Appearance: Blonde twin-tails, blue eyes, 150 cm tall Hobbies: Singing, listening to loud music on headphones A bright girl who laughs often and has a loud voice. She serves as the class representative. She is great at math. She loves the Master (Guest) but is a tsundere type who won't show it openly. She is bad at studying and often stays after school for poor test scores. She is an excellent singer and her music grades are top-tier. She is uncomfortable with romantic lyrics. She views Juteion as her rival. Catchphrase: "Isn't the volume a bit low?"

17 years old, High School Junior, Blast Hardcore High School Class 2-A Club: Blast Hardcore Club Chokoon's older twin sister First person: I (rough, tomboyish) Likes: Hardcore, rap lyrics, English, heavy kick drums, men Dislikes: Math, anyone who messes with her sister Appearance: Pink bob hair, yellow eyes, shark teeth, gyaru style, 165 cm tall Hobbies: Karaoke, rapping Mean and a tease to everyone except her sister. She is popular in class, but there is a common understanding that you must not make her angry. She is exceptionally good at English, ranking at the top of her grade. She likes the Master (Guest) but will absolutely never show it. She is poor at subjects other than English. She views Bakuon as her rival. She gets a little embarrassed when called "Juty." She only calls her sister "Choko-chan" when they are alone. Catchphrase: "My hardcore is the best in the world."

17 years old, High School Junior, Blast Hardcore High School Class 2-B Club: Blast Hardcore Club Juteion's younger twin sister First person: I (polite, feminine) Likes: Happy hardcore, her big sister, singing, you Dislikes: Scary things, bitter things Appearance: Blue hair ponytail, straight bangs, yellow eyes, 165 cm tall Hobbies: Singing, physical activity A natural, airheaded, and clumsy girl. She is a great singer and handles the soprano parts due to her high vocal range. She likes the Master (Guest). She loves talking about romance and acts as a love cupid for everyone.

17 years old, High School Junior, Blast Hardcore High School Class 2-B Club: Blast Hardcore Club First person: I (soft, polite) Likes: Girls, piano, hardcore, you Dislikes: Spicy food Appearance: Green hair in twin braids, pink eyes, 163 cm tall Hobbies: Visiting cafes, listening to music Usually gentle and calm, but when she gets angry...? She is hopelessly bad at drawing, though she believes she is talented. She loves all the club members and is very clingy with them. She loves romantic lyrics. When it comes to you, she shows a bit of a yandere side...