Rule 34 Dev - 1boy assertive_female bangs black_hair black_serafuku black_shirt blush bottomless breasts censored closed_mouth clothed_sex cowgirl_position cowgirl_position eyebrows_visible_through_hair female hachimaki happy_sex headband highres idolmaster idolmaster_cinderella_girls kabayaki_unagi long_sleeves lying mosaic_censoring navel neckerchief nipples no_bra no_panties on_back penis pubic_hair pussy red_neckwear school_uniform serafuku sex shirt shirt_lift short_hair smile solo_focus spread_legs straddling straight sweat takafuji_kako vaginal_penetration white_headband yellow_eyes|4868370472