colorful palette, shiraishi an, project sekai, tamagotchi, game cg, highres, official art, third-party source, 1girl, :d, alternate costume, black hair, black hat, black pantyhose, black shirt, blue hair, bow (music), charm (object), closed eyes, closed mouth, earrings, gradient hair, hair ornament, hat, heart, heart hair ornament, holding, holding bow (music), holding instrument, holding violin, instrument, jewelry, long sleeves, melodytchi, multicolored hair, musical note earrings, open mouth, pantyhose, puffy long sleeves, puffy sleeves, purple background, purple shorts, shirt, shorts, smile, suspender shorts, suspenders, tamagotchi (creature), tamagotchi (virtual pet), tongue, triangle, u u, violin, virtual pet (toy)