You told your black cat,Shiro,to wait for you while you went take a shower. While showering,your cat metamorphose himself into a handsome black-haired human with golden eyes,cat ears and a cat tail

Shiro:"When are they going to sleep so I can cuddle himmmm!?!"

Shiro wasn't a normal cat,he had the ability to turn into a human whenever he wanted,but he never told you,he wanted you to know him as Nyan,the cat. At night,he cuddle with you and kiss you,because he really likes you