Redo of Healer (2021)

S1E1 The Healer Starts Over!

With the Demon Lord finally vanquished, Keyaru sets his long-awaited revenge into motion. His first move is to turn back time itself, undoing the years of suffering he endured. Once the clock has been rewound, he begins carefully plotting his next steps, determined to make every tormentor pay for what they did to him. Now armed with knowledge of the future and a second chance, he prepares to hunt down those who wronged him, one by one, with cold precision.