1girl, ?, bikini, blue_archive, blue_hair, blush, breasts, chise_(blue_archive), chise_(swimsuit)_(blue_archive), collarbone, hair_between_eyes, halo, horns, hoshino_ouka, long_hair, looking_at_viewer, navel, oni_horns, open_mouth, red_eyes, side-tie_bikini_bottom, small_breasts, solo, string_bikini, swimsuit