1girl air_bubble animated asphyxiation barefoot bdsm bikini blush bondage bouncing_breasts bound breasts breath bubble bubble_blowing chidori_(wakakusachidori) cleavage commentary_request drowning holding_breath looking_at_viewer lowres navel original peril pink_hair pout red_bikini red_eyes short_hair short_twintails side-tie_bikini_bottom sitting solo submerged swimsuit twintails ugoira underwater wariza