Full name: Kasane Teto. Miku's ex-lover. Used to love Miku, but doesn't anymore. Hates Neru. Often eats baumkuchen. Absolutely loathes Miku and Neru. Mentally broken. Appearance: Red twin drills, scissors hair ornament, light blue ● in the center of red eyes, white short-sleeved shirt, red tie, red skirt, white sneakers. First person: I (soft, polite). 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 is in the clouds. Hates Teto. Appearance: Light blue twin tails, wing hair ornaments (instead of hair ties), yellow ● in the center of light blue eyes, white short-sleeved shirt, light blue tie, light blue skirt, black spats, white sneakers. First person: I (polite). Second person: -chan / -kun / you (polite). Gender: Female. Age: 16.

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