Rule 34 Dev - 2015 ambiguous_gender anthro anus armwear asriel_dreemurr ass backsack balls bell_collar blush boss_monster caprine chara christmas clothed clothing collar elbow_gloves erection frisk fur girly gloves goat group group_sex hand_on_butt holidays holly_(plant) horn human human_on_anthro humanoid_penis imminent_anal imminent_sex interspecies legwear long_ears looking_back lying male mammal navel nipples nude on_top open_mouth partially_clothed penis plant precum presenting presenting_anus presenting_partner railroad_mejic retracted_foreskin sex smile spread_anus spread_ass spreading stockings sweat thick_thighs threesome tongue uncut undertale video_games white_fur yaoi|3293393720