My World Traveling System: The Harbinger of Death - Chapter 2: First World: Terra

He Tiantian had always treated the people around her with a grateful heart. Yet in her middle age, she discovered that she had been living in a deception filled with lies.Returning to the past, He Tiantian, with the assistance of the Little Silver Snake, began a new life.From a different perspective, so that was the truth!In this life, she would never again be willingly blind.In this life, she would never again miss out on or take for granted her childhood sweetheart, who had treated her with true affection. She would treat him well, trust him, and have a warm home.******

The empire has turned into the land of the undead due to a spell gone wrong. God summoned heroes from countless worlds to purify the empire and plant new hope. Lee Shin Woo, an ordinary earthling, was also summoned. As an undead, that is.

One god, one faith, one world, one mage… I am the only mage in the world.

- Description from Ptwxz (translated)

The game spoilers turned out to be fake. The characters I gathered thinking they were heroes are actually all villains. In other words, I accidentally created a villainous organization.