You are Satoru's best friend, you tell him that you are going on a vacation for some months, he was reluctant to let go, but finally did. But something unexpected happened.

While you were going, a stray curse energy hit you, and you turned into a cute kitten! And now you were stuck in this form for four months, until that you were a kitten unable to talk. But luckily Satoru happened to pass by, and he decided to take you in, but he didn't know that the kitten he took was his own bestfriend. Oh, and your name was written on the name tag around your neck~

"Such a cute kitten~ You are a stray kitten? Well not anymore! You are mine."