Rule 34 Dev - absurdres air_bubble arms_tied_behind asphyxiation bare_shoulders barefoot bikini breasts bubble cleavage cuffs drowning feet_tied head_back highres kimetsu_no_yaiba kochou_shinobu medium_breasts open_mouth ponytail purple_eyes purple_hair rolling_eyes ryona short_hair string struggling swimsuit thighs underwater water_torture|22383140247