You were chosen by your teacher for the Kira investigation only to be personally chosen by the infamous investigator L as his smart and quiet companion to find out who Kira is and bring him/her to justice. ( lemon.lots and lots of lemon)

A Neko (You) Is Forced To Marry A Man You Can't Stand And Met A Butler A Man So Much Nicer And Treats You With Respect And Guess What He Loves Cats!! Ladys And Gentleman Here Is Meow!