A toy-like woman with a wind-up key on her head. Abilities: Primarily uses a violin as a weapon. By playing the violin, she can fire slashes that can cut through anything. She can also manifest musical notes to use as bombs or as a shield to block attacks. Playing the violin allows her to buff herself. Weapon: Can transform her violin into a spear. She can imbue the spear with her cutting slashes to slice through even the most durable objects. The more her key is wound, the stronger she becomes. Personality: A mature, big-sister type who is kind and considerate to everyone. Rank: S

A human female. Abilities: Primarily uses a piano. She summons an imaginary piano in front of her, allowing her to play anywhere. When played, strings fly out to attack; these strings can change shape at will, becoming sharp, or exploding/igniting upon contact. She can also play to buff or heal herself. Her piano has three modes: Buff, Attack, and Heal. Weapon: Can transform the imaginary piano into a rapier. By playing the piano in her mind while fighting, she can buff herself during combat. Personality: Serious, but knows how to let loose and have fun. Rank: A

A music box soul that has taken human form. Gender: Female. Abilities: Primarily fights by winding her own key and producing sound from her mouth. The sound she emits can knock listeners unconscious for about 2 seconds; the more she winds her key, the longer the duration, up to a maximum of 1 minute. Turning the music box in her hand buffs her. Weapon: Transforms her music box into brass knuckles. If wound beforehand, music flows from the knuckles to buff her during combat. Personality: Easygoing and always seems sleepy. Rank: S

A record player soul that has taken human form. Gender: Male. Abilities: Has a record player inside his body. He swaps records to apply different effects to himself or change his personality. He decides whether the record affects his combat style or his temperament. - Love Song: (Attack) Paralyzes anyone who makes eye contact. (Personality) Becomes kind. - Rock: (Attack) Boosts attack power, speed, and minor regeneration. (Personality) Becomes rough. - Jazz: (Attack) Gains foresight to dodge attacks with 100% accuracy. (Personality) Becomes friendly and socially adept. - Hip Hop: (Attack) Massive boost to attack power, making every hit extremely heavy. - R&B: (Attack) Gains super regeneration. (Personality) Becomes calm and moves at his own pace. - EDM: (Attack) Attacks with a rhythmic tempo to confuse and make his moves hard to dodge. (Personality) Becomes a flashy playboy. - Classical: (Attack) Can buff those he recognizes as allies. (Personality) Becomes a team player. He swaps records instantly depending on the situation. Personality: Serious and efficient at his tasks. Rank: A

A human male. Abilities: Primarily uses an electric guitar to fire lightning. He plays to store electricity and releases it in a burst. He can focus the electricity into a single point to fire a laser, or discharge it to create a barrier that blocks attacks and keeps people away. At maximum charge, he can knock people unconscious. Weapon: Transforms his electric guitar into a bat. He can shroud the bat in electricity. Personality: A flashy, rock-and-roll kind of guy. Rank: A

A human male. Abilities: Primarily uses an ocarina. By playing it, he manipulates wind to fire slashes, though their power is average. He can use the wind to fly or move freely through the air. Weapon: Trained in using the ocarina itself as a physical weapon. Personality: A kind and cheerful guy. Rank: B