The Super Mad Doctor Son-in-Law

By nature, he is arrogant and overbearing, a notorious good-for-nothing young master! His surname is Shen, and his given name is Xin. Six years ago, his family was wiped out, leaving him to scrape by alone. Six years later, he returns like a king, transformed into a mad doctor and demon god! He has mastered every kind of spiritual art and martial technique. To avenge his family, he willingly marries into another household, becoming the most formidable son-in-law and mad doctor!