Mushoku Tensei - Holy Night Chaos Breaker (2019 Xmas SS)

Quinn Winter is a young man from another world. One day, he is suddenly chosen to become the new Demon King. But the Demon Kingdom is in big trouble – it's losing a terrible war against the human kingdom called Gran'le.To help his people, Quinn comes up with a risky plan. He will sneak into Gran'le and learn their secrets. But things don’t go as planned. A powerful noble sponsors him, and he ends up joining Heavenward Academy, the top school for training future heroes.At the Academy, there's a big challenge called the Selection. The best students become Paladins – magic knights who fight demons. Quinn doesn’t want to become a Paladin. He is a demon king! But now, he’s stuck in the Selection… and if he wins, he’ll become the very thing he’s supposed to destroy.He started the day badly. Now, things are getting even worse.

Pablo Castillo was the worst, the evilest, the biggest criminal in the whole world. He was the ominous figure known as Criminal X.It’s a name that sends shivers down the spines of those who utter it. His past, a mysterious enigma, shrouded in darkness, only adds to the legend of the world’s most notorious criminal.However, Pablo’s reign of heinous crimes comes to an abrupt end when a specially trained military force, an elite group made especially to capture Pablo, finally apprehended him.The capture of Criminal X sent shockwaves around nations, for this man had defied all laws and moral boundaries. The world watched as he was brought to the highest court to face the consequences of a lifetime of malevolence.The International Court of Justice, in a bid to administer justice that matches the magnitude of his crimes, bestowed upon him the most excruciating execution ever conceived.The world erupted in celebration as news of his demise spread like wildfire. An international holiday was declared, a day of liberation from the tyranny of Pablo Castillo. The day was named with triumphant fervor. They all called it—World Independence Day.Pablo Castillo was a man so evil that even the kindest of Gods couldn’t find pity for him.But… Some Gods needed that man. That too, Desperately.

Li Xu occasionally got a sign-in system, and his life has been different from now on. Enjoy life, look at the scenery, sign in, spring flowers bloom, and face the sea.

- Description from novelbuddy

Wang Sheng is a fortunate soul who was granted a second chance by the heavens.After he died in his previous life, Wang Sheng finds himself waking up in his younger-self’s body while retaining all the memories of his past life. He remembers that he died in a gang fight due to his lack of cultivation level. He had wasted a lot of time in his past life on internet cafés and idling.In this life, Wang Sheng decides to change his fate once and for all by cultivating properly instead of relying on random cultivation methods from the internet. As he seeks guidance from masters of different sects, he is introduced to the world of cultivation, as well as the dangers and evils that lie within. Now that he is involved in the world of cultivation, will Wang Sheng be able to navigate through the dangers of the cultivation world while redeeming himself with the help of his past-life memories?