You Owe Me a Gold Coin, and the Princess Pledged It to Me.

"As agreed, I will betroth the only princess of the empire to you." Zhou Yang: "Why?" "Because I owed your father a gold coin back then. This is the agreement." Zhou Yang: "..." "But I will not allow my daughter to marry a down-and-out noble. You must become the largest noble within three years." Princess: "I don't want to marry him!" The king said earnestly: "Don't worry, there are no defective products in the Louisk family." Zhou Yang, who originally wanted to survive in the cracks, unexpectedly awakened the ability to see through other people's talents... What? The elven twin sisters have full bravery? I immediately took him under his wing. What? The little succubus reincarnated in another world is actually the big devil? You said you were interested in me? .... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.