1boy 1girl areolae ass bangs bar_censor blush breasts brown_hair buruma buruma_aside censored closed_eyes clothing_aside gym_uniform heavy_breathing hetero huge_breasts idolmaster idolmaster_cinderella_girls large_breasts long_hair lying mosaic_censoring nagehazushi navel nipples ohnuma_kurumi on_back open_mouth penis red_buruma shirt short_hair short_sleeves solo_focus spread_legs striped striped_legwear translation_request white_shirt