I Am A Supreme 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.nl fastest updating comic site. The Summary is

Because of an accident, Lin Huan crossed over to a different world, where he was the son of a wealthy businessman with the same name and surname. Lin Huan from a different world originally had a rich family background, but after Lin Huan was born, it was as if the family was under a spell, their business repeatedly losing money and the family’s situation became worse and worse, and eventually, all of the family’s assets were sold, and even food became a problem. After Lin Huan awoke from his journey, he found himself in the house of his former rival, Su, according to his memory