不當舔狗後,我契約了絕世銀龍姬

A man travels to another world and awakens the strongest system. He breaks ties with the campus beauty who used him for three years. He goes to a dark trading place and makes a contract with an epic-level Silver-Eyed Dragon Lady. With his god-level power, he purifies her. Together, they uncover the mystery of his parents' past and begin his path to rise to the top.