Emperor-in-Law is a Manga/Manhwa/Manhua in (English/Raw) language, Action series, english chapters have been translated and you can read them here. You are reading Emperor-in-Law chapters on https://mangabtt.com, fastest updating comic site. The Summary is
A normal University student who works part-time suddenly finds as his wife the rich Sister Yu and also turns on the "life system," as long as he follows the system's choices, his dreams will become true? Children make choices, but I want everything for adults! Let's look at how Li Fan, the son-in-law of a wealthy family who holds the system in his hand, can counterattack and become the new emperor-in-law.