Available as both manhwa and novel.
The Eternal King O Rei Eterno
Also known as: Wan Gu Shen Wang · Immortal God King · Le Roi Divin Éternel · Myriad Ancient God King · O Rei Eterno · Raja Abadi · Rei Deus Imortal · Rey Dios Inmortal · Vạn Cổ Thần Vương · ราชันย์เทพนิรันดร์ · 万古神王 · 転生修仙者のリベンジ · 제왕의 귀환
Framed to death in his previous life, he is reborn to his high school and happens to witness the resuscitation of fairy and the radical change of the world. Being young again, he restarts cultivation. This time, he'll protect his friends and family, he'll leave no regret, and he'll be the eternal king!