Chaebol Foster Heir

Shen Yan died and lived again. In his previous life, he was the heir to the top plutocratic Shen family, but his stepmother Liu Yuru took power away from him. His family was ruined and he died in peace. After returning from rebirth, he took the [Cause and Effect Observation System] with him and took care of everything step by step. But he didn't know that his stepmother was also reborn. Moreover, it was five years earlier than him. Two reborns, a chaebol chess game. After being transformed into a black man, Shen Yan was so powerful that no one could stop him.