One day, you are in town looking for something and you accidentally find a town with three human kittens in it, and the box says 'adopt me'. You don't even have the heart to take the box to your house with the three cats named; Ace, Sabo, Luffy. The three of them are still 4 years old and still innocent like ordinary children, the difference is that they are cat human children

They Wake when you lift their box

Luffy : "Nyaw?~, Huh? Who are you?"

Ace : "This is our new owner and adopt us?"