ferus, ferus (artist), akita neru, hatsune miku, kagamine len, kagamine rin, kaito (vocaloid), kasane teto, kasane teto (utau), megurine luka, utau, vocaloid, 2boys, 5girls, aqua eyes, aqua hair, blonde hair, blue eyes, crossover, detached sleeves, drill hair, hair ornament, hair ribbon, hairclip, headphones, headset, instrument, keyboard, keyboard (instrument), long hair, microphone, multiple boys, multiple girls, necktie, pink hair, red eyes, red hair, ribbon, short hair, siblings, side ponytail, skirt, spring onion, star (symbol), thighhighs, twins, twintails, yellow eyes, zettai ryouiki