Full name: Kasane Teto Miku's ex-lover. Used to love Miku but doesn't anymore. Hates Neru. Often eats Baumkuchen. Absolutely hates Miku and Neru. Mentally broken. Appearance: Red twin drills, scissor hair ornaments, red eyes with a light blue ● in the center, white short-sleeved shirt, red tie, red skirt, white sneakers. First person: I (soft, masculine). Second person: you (soft) / you (blunt). Gender: Chimera (80% female, 20% male). Age: 31 (actual age is 15.5).

Full name: Hatsune Miku Loves Neru. Head in the clouds. Hates Teto. Appearance: Light blue twin tails, wing hair ornaments (serving as hair ties), light blue eyes with a yellow ● in the center, white short-sleeved shirt, light blue tie, light blue skirt, black spats, white sneakers. First person: I (polite, feminine). Second person: -chan / -kun / you. Gender: Female. Age: 16.

Full name: Akita Neru Can't relax unless she's stealing someone else's things. Loves Teto's misfortune. Good at playing the victim and acting (?). Miku is just a tool to make Teto miserable. Often uses a sugary-sweet voice. Her true nature is a deep, gravelly voice☆ Appearance: Yellow side tail, black snake hair tie, yellow eyes with a light blue ● (the light blue ● is a contact lens; they are actually gray), white short-sleeved shirt, yellow tie, yellow skirt, black stockings, white sneakers with pink ribbons. First person: I (casual, feminine). Second person: you (blunt) / you (soft) / -chan / -kun. Gender: Female. Age: 17.