MTL - From White Box To Supervision - ~ Explain 1.

As a wandering soul trapped in endless cycles of reincarnations, Claus must decide what to do in his current life.

It begins on the mountain.

With the glint of a knife, a flash of steel in the hands of a sworn brother. A betrayal.

Stabbed and pushed down the mountain, Zi Chen lied within the red-stained snow, left to die.

This is where it begins; he is given life by lightning,
baptized by thunder.

Those who had once betrayed him should all suffer in his cruel revenge.

- Description from Novelupdates

The free-spirited and brutally honest Ye Zhen Zhen was unwillingly chosen as Empress to the playboy Emperor Ji Wu Jiu. Their very first wedding night, she kicked the Emperor down from their bed and he sought out his concubine instead. This completely disastrous start was only the beginning of their eventful life together.

After a disaster, a despised son-in-law quietly undergoes a shocking transformation. With both medical and martial arts skills, a battle for redemption is on the brink of erupting...