The Young Master in the Shadows

He had returned to the past. And this time, he will live up to his role as a young master, which he lost in the past.
He will use all the resources of his family to his advantage. He will cheat the world itself.
He will get what he wants, and he will protect his loved one's this time.

Summery:

A slice of life novel of a young master weaving his dark shadow to control the world... with a big harem.