(Partially developed + HE + the female protagonist is stronger at the beginning + the male protagonist grows up)
Ren Yihan, who inherited the power of the previous Demon Lord, killed the head of the Xuantian Pavilion who was in charge of the order of the nine states, causing an uproar in the world. The body of the current Demon Lord Ren Yihan was found in a mud house, and the whole world was rejoiced.
While studying an ancient ruins, Song Wei accidentally triggered a time-space reversal circle and returned to a hundred years ago. Looking at the thin, timid and pitiful Demon Lord in front of him. Song Wei didn't think about it, it's here now, get ready for the change in your destiny.
A certain young man with a different head and body in his previous life: Thank you for changing my destiny.
A certain Sikou who was brutally disfigured in his previous life: Thank you for changing my destiny.
A sword cultivator who submerged his demons in his previous life: Thank you for changing my destiny.
The world of cultivation on the verge of collapse in the previous life: Thank you for changing my destiny.
A certain Demon Lord from the previous life: Thank you for changing my destiny and I love you.
Purpose: Peace in the world of immortality