MC's mother got tormented in public, laughed at, and burned alive at stake. MC even immediatly develop mental corruption skill from level 1 straight to 10 by learning what happened to his mother. By this point readers are all excited for a massive revenge plot, right? But no, just a few chapter later, MC turned into a completely soft hypocrite. He doesn't kill the villagers who discriminated his non-human mother but just punish them by destryong the village's farm and walls...
The character building is completely nonsensical. At first the MC is stated to be completely dubious to his cheat power, but in just a couple chapter he uses all kond of cheat ability as if he already knew it all.
Even worst, the heroine. She went to town to look for sacrificial subjects for a resurrection spell in case her respected and adored brother is killed, but then she fell for the MC who killed her brother and she had s*x with him that very day and became his wife the day after.
This is all a complete nonsense of a poor story and bad translation.
P.S. The villain is so generic I don't know what else to say.