2girls, alternate_costume, animal_ears, belly-to-belly, bikini, black_bikini, black_hair, blue_archive, blush, breasts, brown_eyes, dandandandanzi, extra_ears, from_side, grey_hair, groin, kokona_(blue_archive), loli, long_hair, multicolored_hair, multiple_girls, open_mouth, shun_(blue_archive), shun_(small)_(blue_archive), siblings, side-tie_bikini_bottom, sisters, small_breasts, stomach, streaked_hair, swimsuit, thighs, twintails