救下反派恶龙后 (Associated Names)

Ji Fengling transmigrated into a Xianxia world and bound himself to a Werewolf Kill system. The system required him to prevent the blackened, beautiful, strong, and tragic villain from self-destructing and destroying the world. Completing the task would allow him to live another life. In the book, the villain, Demon Lord Jiang Qinglie, is the…