1girl, armpits, arms_behind_head, black_one-piece_swimsuit, breasts, cameltoe, competition_swimsuit, covered_navel, fangs, haruchan_koharu, highleg, highleg_swimsuit, long_hair, long_sleeves, mesugaki, mole, mole_under_eye, one-piece_swimsuit, open_mouth, original, presenting_armpit, purple_hair, smile, solo, swimsuit, twintails, two-tone_swimsuit