The Real Young Master is Actually Fake

Bai Shisan was the true young master of the Pingyuan Marquis Manor, set to be brought back to the capital. However, along the way, he awakened his mermaid bloodline and incidentally learned the truth of the past. Oh, so I'm a fake too. Then there's no rush. Those in the capital who had schemed everything were waiting for Bai Shisan's return to laugh at him. But one day, two days, three days passed—still no sign of him. Where was he? Bai Shisan: Busy leveling up, do not disturb. Almost max level and invincible. The protagonist has a gaming system; skills and items obtained in the game can be used in reality. This story is also known as "The Mermaid Gets Rich and Wins by Gaming" and "The...