Strongest Son-in-Law is a Manga/Manhwa/Manhua in english language, Action series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

Emperor of the Underground World (Mafia Boss) Shen Ran turned into a house husband? Not to mention doing things like washing and cooking, do I have to clean the toilet for my wife? forget it, my wife is so beautiful, this isn't a threat! But don't even try to dare steal my wife's idea? This really happened when my Shen Ran was a veteran! Don't you dare to touch my wife with your finger!