Nigoru Hitomi de Nani wo Negau - Chapter 90

When Mikel opened his new eye, the dead opened their doors.Mikel was just an ordinary, troubled teen until an accident stole his sight.When an experimental surgery gives him a strange new eye, he begins to see more than just the world of the living... and the dead.Haunting visions, ghostly figures, cursed relics, and a mysterious blue interface named Doom — speaking in glowing symbols and shifting data — start to rewrite everything he thought he knew about reality.And as the truth comes into focus, Mikel realized he might be a part of something bigger and far more dangerous than he could’ve imagined.Standing between these worlds, survival isn’t guaranteed. Sanity, even less so.[Welcome to Shaman Protocol.Terms and Conditions (and sanity) not guaranteed.]

On a normal boring day, a message appears, inviting him to a Tutorial.

After killing the Demon King and returning to Earth, the world was in chaos due to the gates. Now, I just want to take care of my people and live as I please. After all, there’s no hero party here to oppress and bind me.

The MC (Minato) is a college student who died in a plane crash and was reincarnated in a fantasy world. He was raised alone in the wilderness by his succubus mother, and now he tries to make his way as an adventurer.