Transmigrated to another world as a kept man in a wealthy family, he was kicked out for being too useless. So he resolved to work hard and found himself a new position as a live-in son-in-law to a noble, powerful, and stunningly beautiful heiress.

Practicing martial arts? Impossible! There’s no way I could ever practice martial arts in this life—I can only rely on living off my wife!

I’m going to train my wife to become the number one expert in the world. If anyone dares to mess with me, I’ll have my wife beat you to death!