Toaru Majutsu no Index: New Testament - Volume 15, Chapter 5: Hope, or Depthless Darkness — To_the_MagiChapter

In a distant future, the empires of mankind span the galaxy, and glorious Earth has devolved into a peripheral backwater.

In Shanjing city in the Asian region, Wang Zheng’s dreams of becoming a mech pilot are crushed when his college entrance exam genetic score turns out a pathetic twenty eight, barely above an animal.

To make things worse, people get the impression he attempted suicide after being rejected by the campus beauty.

Then the closest thing to a family he has, the old man in the book store across the road, goes missing, leaving him only a mysterious birthday present.

[Unique Characteristic: You acquire ‘Protective Instinct’ (保護本能).]

Fear breaks the boundaries between dreams and reality, and it is impossible to tell which is reality and which is illusory. When the nightmare really comes, no one can be alone.

This is both a danger and an opportunity.

- Description from novelbuddy

He became a teacher at the best magic academy in the empire.
….For being mistaken for someone else.