Rule 34 Dev - 1boy 2d anthro anthro_male anthro_only asriel asriel_dreemurr balls bovid caprine deltarune furry furry_male furry_only goat green_eyes humanoid humanoid_male humanoid_only male male_only mammal mammal_humanoid mc1 penis solo teen undertale undertale_(series) wave waving white_fur young|4874098384