Super Perfect Son-in-law

The eldest grandson of the Wealthy Class family hid his identity and became someone's son-in-law. He kept a low profile and was treated as a loser. If he didn't fight, then he would be treated as someone who didn't care. An accident forced him to make a change.

The eldest grandson of the Wealthy Class family hid his identity and became someone's son-in-law. He kept a low profile and was treated as a loser. If he didn't fight, then he would be treated as someone who didn't care. An accident forced him to make a change.(less)