Diabolik Lovers: A Little Pet

(Boy x Boy) Yui has a dog, one she has had for most of her life. She loves him and He loves her but he is not just a dog. He does not know himself. His owes his life to you who he calls 'Master'. What may happen when Yui is sent to the Vampire boys mansion? What will happen when things are complicated between her dog and The Perverted Vampire? (Laito x Wolf male reader) (OC)