Rebate King: The Billionaire Nobody Knew

Born into poverty, Ethan Carter has nothing except his determination to succeed. After his parents mysteriously disappeared when he was a child, he was raised by his older sister, Emily Carter, who sacrificed her own dreams and worked multiple jobs every day just to keep him in school.

Bullied for being poor and constantly looked down upon, Ethan endures hardship in silence, promising himself that one day he will repay his sister for everything she has done.

His life changes forever when he is unexpectedly chosen by the mysterious Rebate King System.

The system rewards Ethan whenever he spends money on qualified beauties, returning his spending with massive rebates that can range from 10× to 1,000×, depending on each woman's favorability toward him. As their favorability grows, Ethan unlocks extraordinary rewards, including company shares, luxury properties, rare business opportunities, advanced knowledge, physical enhancements, and countless other treasures.

While the world believes he simply made a few lucky investments, Ethan quietly builds a vast financial empire. He refuses to flaunt his wealth, living an ordinary life while secretly becoming one of the richest and most powerful men on Earth.

Yet money is only the beginning.

As Ethan grows stronger, clues surrounding his parents' mysterious disappearance begin to surface. Powerful enemies emerge from the shadows, forcing him to protect the people he loves while uncovering a truth that could change everything.

With a loyal sister to protect, dangerous rivals to overcome, and a secret system known only to him, Ethan begins a journey from a forgotten poor student to the legendary Rebate King.