The Extra’s Academy Survival Guide With System

Ruhimere, an ordinary boy of twenty years old died while saving thousand of people from a Bomb in a Mall, gets Bound to Mysteriously Overpowered System and transmigrates as the Main Character of "The Extra's Academy Survival Guide", Ed Rothstaylor. See how he will rise to the top of the Multiverse.
While exploring the world of "The Extra's Academy Survival Guide",
he wil find Happiness, Friendship, and Love.
And will also discover or reveal the secret of the Mysteriously Overpowered System and his Past which is connection to it.


Disclaimer :

I don't own anything related to the "The Extra's Academy Survival Guide" except my own Character's.