After Being Forced to Become a Bigshot, I Only Want to be Normal - Chapter 560 - : For the School

Once a live-in son-in-law, humiliated and looked down upon, he accidentally awakens a heaven-defying Eye Technique.From that moment on, his life takes a drastic turn. With peerless medical skills, x-ray-like vision, unmatched martial arts, and mastery of elixirs, he crushes all enemies in his path.This is the rise of the man they once called worthless—now unstoppable and untouchable.

The main character is reborn as a character from a game he played in his previous life. This character falls into ruin along with the villainess, spending the last of their years together. A man named Kururi Helan.

The reborn Prince Hechingen of the Swabian branch of the Hohenzollern family, sees the situation in Europe, and the war is about to start, so Europe doesn’t wait. Enclosure in East Africa, immigration development, and agricultural foundation, step by step, with the help of the crisis to achieve industrialization.

- Description from novelbuddy

Zhang Gong decides to learn light magic, a magic few show interest in and eventually becomes the legendary Grand Magister. While trying to end the continent’s east and west separation in order to unite all of the different races, he becomes every race’s Child of Light.