1girl, bare_arms, bare_shoulders, bikini, black_hair, breasts, cleavage, closed_mouth, collarbone, from_side, hand_on_own_stomach, iro_(boo_iro), large_breasts, looking_at_viewer, looking_to_the_side, lying, navel, on_back, original, parted_bangs, petals, petals_on_liquid, red_eyes, shallow_water, smile, solo, stomach, swimsuit, twintails, wakamezake, water, wavy_mouth, white_bikini