I Am Obviously a Son-In-Law and Have Become the Richest Man in the World?

The male protagonist Lin Bei, 25 years old, is the sole heir of the world's invisible tycoon "Lin's Dark Palace" and has a net worth of trillions. But when he was 18 years old, he was tired of the intrigues and rich life, so he deliberately kept his name anonymous and became a son-in-law of the Su family, a small businessman in Jiangcheng, hoping to live a leisurely life.