Zhou Qingyu guarded the Celestial Prison for 10,000 years to repay his master, Guyue, rising to become both an Emperor and the Ancestor of Demons. Unaware of his power, Guyue oppressed him and forced his daughter, Piaoran, to break their engagement and marry Zhou's junior, Si Konggu.
At the wedding, Zhou revealed his true might, shocking everyone and leaving Guyue in regret. Disillusioned, Zhou shattered his cultivation and leaped into the Endless Star Sea as a mortal. There, he met Zhao Yinxi. With her, he began his arduous journey back to the pinnacle of power.
