Rule 34 Dev - 1boy anthro anus ass balls black_body black_fur bovid caprine edogast erection fur genitals goat hi_res horn legs_up male male_only mammal mephistopheles_(tokyo_afterschool_summoners) muscular muscular_anthro muscular_male nipples pecs penis presenting presenting_anus solo tokyo_afterschool_summoners video_games|5207481544