koko (kamitsubaki studio), kamitsubaki studio, highres, 1girl, bare arms, bare shoulders, black choker, black hair, black shorts, black tank top, breasts, choker, cleavage, cowboy shot, crop top, earrings, hoop earrings, jewelry, large breasts, lightning bolt earrings, lightning bolt symbol, long hair, looking at viewer, midriff, multicolored hair, navel, purple eyes, purple hair, shorts, simple background, smile, solo, sweet insomnia, tank top, virtual youtuber, white background