Rule 34 Dev - 1boy 2d anthro anthro_male anthro_only asriel_dreemurr athletic athletic_male blush bottomless bovid caprine clothed clothing flaccid flower furry furry_male furry_only genitals goat hi_res horn humanoid humanoid_male humanoid_only male male_only mammal mammal_humanoid nipples one_eye_closed pecs penis plant shirt sitting sketch solo stairs tank_top thick_thighs tohfu topwear undertale undertale_(series) video_games wink|4418643200