In an empire that is at war with all of its neighbors, our protagonist is inevitably been drafted into the army for being “nothing noteworthy” and become a new recruit. However, what awaits him is not the battlefield, but an experimental facility! Following the lead of the empire’s scientist, he undergoes genetic enhancement and change him into a monster. The neighboring countries don’t care about the empire’s circumstances and our protagonist was never put into combat and was put to sleep. 200 years passed, and our protagonist wakes up from his cryogenic sleep to find that he has no more homeland to return to and thus begin his survival in the vast forest that was once the empire, with his monster body. This is the story a very ordinary man, who becomes a high spec monster and survives.

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. Show More