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2015 5_fingers adventure_time anthro asgore_dreemurr beard blonde_hair blush boss_monster_(undertale)bovid briefs butt butt_grab caprine cartoon_network clothed clothing crossover crown dated duo facial_hair felid fingers hair hand_on_butt headgear hi_res horn long_ears male male/male mammal mature_anthro mature_male nipples simple_background tsukima_luna undertale undertale_(series)underwear vampire vampire_king white_background white_briefs white_clothing white_underwear