black_hair blush breasts breath collarbone em em_(totsuzen_no_hakike) faceless_female female groin head_out_of_frame heavy_breathing holding holding_clothes holding_swimsuit kitagou_fumika large_breasts long_hair medium_breasts midriff navel nipples one-piece_swimsuit ponytail pubic_hair purple_background school_swimsuit simple_background smile solo stain stained_swimsuit strike_witches sweat swimsuit tied_hair