Rule 34 Dev - 1boy 1girl :d arm_support blush border bow bowtie breasts censored closed_eyes clothes_lift collarbone collared_shirt deras gakuen_idolmaster grey_border half_up_braid hand_on_own_chest hand_on_own_hip hand_on_own_thigh hands_on_another's_hips hetero idolmaster jacket karaoke_box katsuragi_lilja loose_bowtie medium_breasts monochrome multiple_views nipples open_mouth penis saliva school_uniform sex shirt short_hair sitting sketch skirt skirt_lift smile spread_legs straddling sweat topless vaginal|23134425327