1girl, o, alternate_costume, bikini, black_bikini, black_choker, black_horns, blue_archive, blue_eyes, blue_hair, blush, breasts, choker, cleavage, collarbone, demon_girl, demon_tail, demon_wings, fingernails, horns, interlocked_fingers, large_breasts, long_hair, looking_at_viewer, low_wings, navel, o-ring, o-ring_bikini, o-ring_top, simple_background, solo, swimsuit, tail, tansan_gitune, two_side_up, white_background, wings, yuuka_(blue_archive)