Rule 34 Dev - abs anthro asriel_dreemurr_(god_form) balls balls_bigger_than_penis balls_expansion bed big_balls big_balls_small_penis big_muscles big_penis black_markings blush bovid caprine closed_eyes creaking expansion fur furniture genital_expansion genitals goat groaning_balls hi_res horn huge_balls humanoid_genitalia humanoid_penis hyper hyper_balls hyper_genitalia inside lying male male_only mammal markings muscular muscular_anthro muscular_male notsobretheren on_back on_bed onomatopoeia oversized_balls pecs penis sleeping solo sound_effects text undertale undertale_(series) white_balls white_body white_fur white_penis|11510777928