One Piece: My Mother-In-Law Is an Aunt

That's right! My mother-in-law is Big Mom, one of the Four Emperors who came to the New World. After eating the devil fruit in the form of an animal type - a fantasy beast - a golden crow, you will naturally embark on a path of stealing money and treasures from your mother-in-law, abducting your sister-in-law, and poaching your mother-in-law... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.