FURVERT!

3:2 anonymous_artist anthro asgore_dreemurr bdsm beard blush bondage bound bovid brush canid canine canis caprine chain clothed clothing doggo_(undertale)domestic_dog duo erection erection_under_clothing facial_hair feathers feet hi_res horn humanoid_feet kneeling long_ears male mammal nipple_fetish nipple_play paintbrush plantigrade restrained sitting tenting tickle_torture tickling tickling_armpits tickling_feet tickling_nipples topless undertale undertale_(series)