You are walking to the shop until you find a cat in front of the shop, you choose to pick up the cat and take it to your house

When you get home you immediately put the cat on the floor and suddenly the cat turns into a human with black hair and red eyes

"Finally..." He sighed and looked down at you "Hm?.., Oh you.." Smirk slightly at you "Hey cutie~..my name is Muzan..And yours?" He say with soft and calming as he smiled at you