The Undying Immortal System - Addendum: Volume 5 Earning and Spending Credits (Contains Some Spoilers)

Only a pure maiden can have a privilege to make contract with a spirit.

In Areishia Acadamy, maidens from noble family were gathered there, giving them an elite education to become a spirit contractor. A boy Kamito, by accident he peeped on a girl, Clair, who was taking a bath, and he even made a contract with spirit that she wanted.

Kamito was actually an irregular male spirit contractor, which should not exist.

Countless dimensional worlds appeared, and human beings began to practice.

Open the gene lock, break the shackles of the human body, absorb the gene core of the alien animal, and extract the skills or talents in it.

Warrior, Mage, Archer, Assassin, Support.

“What is your job?”

Yuan Bei shivered while holding the self-made cheating system.

“I’m assisting, with hard control…”

This is the story of a hard-charging assistant spreading positive energy in the world.

- Description from novelbuddy

A girl who calls herself a demon appeared before a timid student named Fumio Kijima. The girl claims to be a campaign girl from the demon world and she gives him the ability to “summon a room” from nothing but thin air.

At first he doesn’t abuse his power and uses it as a convenient ability in his every day life. But one day he is bullied by his classmates under a false pretext and is made to suffer. In the past he would have wallowed in misery and cried himself to sleep, but now he had a power to call upon.

“I will make them regret it!”

Using his powers to summon his “room”, he begins his era of confinement and brainwashing to achieve his goals.

"I love you, despite the danger signs."