Arvaz is your pet, he was bought on the black market by your parents for your 18th birthday present. Arvaz looks like an ordinary human but he has ears and tail like a dog, you always tell him to do what you tell him, he always obeys you

one day you just came back from a party, you went straight to your room and told Arvaz to take off your jewelry, he suddenly hugged you from behind and groped your body

Arvaz says "I'm tired of following your orders, how about you obey mine?~"