Rule 34 Dev - 2019 abs anthro anthro_only balls bara bed big_muscles bodily_fluids bowser closed_eyes cum cum_on_self ejaculation erection furniture genital_fluids genitals hair hi_res horn humanoid_genitalia humanoid_penis koopa lying male male_only mario_(series) masturbation muscular muscular_anthro muscular_male nanbuskhan navel nintendo nipple_fetish nipple_pinch nipple_play nipples nude on_back on_bed open_mouth open_smile pecs penile penile_masturbation penis pillow pinch quads scalie smile solo vein veiny_muscles veiny_penis video_games|5036975248