MTL - I Have a Sickness - Chapter 28 I have autism

Killed by a Sage Emperor and reborn as his 13 year old self, Nie Li was given a second chance at life. A second chance to change everything and save his loved ones and his beloved city. He shall once again battle with the Sage Emperor to avenge his death and those of his beloved . With the vast knowledge of hundred years of life he accumulated in his previous life, wielding the strongest demon spirits, he shall reach the pinnacle of Martial Arts.

“Just leave, boy. I have arranged a marriage for you, and she's a stunning beauty. Consider yourself lucky!”With his master fleeing with the money, Lin Chen, filled with sorrow and anger, left the mountain to find his fiancée. However, on the way, he was abducted by a beautiful woman who forced him to pose as her fake boyfriend. The most important thing was, this woman looked exactly like his fiancée.

Chen Yan travels between worlds, ending up becoming an honorable prince in a medieval fantasy world. Yet this world was not quite as simple as he thought. Witches with magical powers abound, and fearsome wars between churches and kingdoms rage throughout the land.

Roland, a prince regarded as hopeless by his own father and assigned to the worst fief, spends his time developing a poor and backward town into a strong and modern city, while fighting against his siblings for the throne and absolute control over the kingdom. Join Roland as he befriends and allies with witches and, through fighting and even farming, pushes back invaders coming from the realm of evil.

- Description from Novelupdates

The legendary mana finally reached planet Earth, causing all living things to officially enter the path of evolution.