1boy, 2girls, 3koma, ako_(blue_archive), alternate_costume, ass, blue_archive, blush, breasts, butt_crack, casual_one-piece_swimsuit, cleavage, comic, hair_ornament, hairband, hairclip, halo, hina_(blue_archive), horns, long_hair, multiple_girls, navel, nishiki_koi, one-piece_swimsuit, parted_bangs, sensei_(blue_archive), sidelocks, slingshot_swimsuit, small_breasts, stomach, swimsuit