layer (layer illust), kasumi (blue archive), blue archive, highres, 1girl, ahoge, armband, artist name, black sandals, black shorts, blush, brown coat, brown eyes, brown hair, coat, coat partially removed, collarbone, collared shirt, dated, demon horns, demon tail, from above, hair between eyes, hair intakes, hair over shoulder, half-closed eye, halo, holding, holding walkie-talkie, horns, long hair, red armband, red shirt, sandals, shirt, shorts, sidelocks, sleeves past fingers, sleeves past wrists, solo, standing, tail, tongue, tongue out, walkie-talkie, white background