From the Start in the Hehuan Sect: Senior Sister, You're So Fierce

Hu Xingyun is the reincarnation of a Demon Emperor. Because of his extraordinary talent, Liu Su, the Sect Master of the Joyous Union Sect, forces him to cultivate through dual cultivation. At this life-or-death moment, his demonic power finally awakens, allowing him to escape. But this also exposes his identity as a demon. The world's strongest fighters launch a deadly pursuit, and when his senior sister has no other way to save him, she can only cultivate with him through dual cultivation, fully awakening his demonic power...

This novel and its characters are entirely fictional. Any resemblance to real people or events is purely coincidental. Do not imitate.