From Abandoned Heir to Apex Overlord

From Abandoned Heir to Apex Overlord Plot:

Lin Chuan was thrown into an orphanage at three by the Lin family due to the rumor that he "killed his mother". Twenty years later, he returns as the "Night Owl Lord"—ruler of a global underground empire. Ostensibly here for his half-sister's wedding, he's actually determined to uncover the truth about his mother's death. But when he sees the nanny who once held him dying from illness with no money for treatment (driven by the Lin family), his first love Su Xiao losing her scholarship for rejecting the Lin heir's advances, and discovers the "mother-killing" rumor was a lie made by his second uncle to seize the family fortune, Lin Chuan's fist under his suit tightens: What you owe me, what you owe my mother—Lin family, it's time to pay back!