Rule 34 Dev - 3d bed bedroom digital_media_(artwork) duo erection frottage furniture genitals hand_on_chest handjob hi_res loafsfm male male/male masturbation muscular muscular_male mutual_masturbation nipples pecs penile penile_masturbation penis sex shadow_the_hedgehog sonic_(series) sonic_the_hedgehog source_filmmaker|5062948232