Junpei Takeda, a high school student, is childhood friends with Noriko Tatsumiya and the bully Kido Shouta. One day, during the usual course of bullying Junpei, they were suddenly summoned to a different world by the whim of "God". Summoned Heroes with cheats, or so he thought. But it turns out Junpei's stats were even worse than an average farmer. Tricked into a deathly labyrinth by the only one he trust, he walks the journey for revenge.
The following content is intended for mature audiences and may contain sexual themes, gore, violence and/or strong language. Discretion is advised.
Several hundred years ago, humans were nearly exterminated by giants. Giants are typically several stories tall, seem to have no intelligence, devour human beings and, worst of all, seem to do it for the pleasure rather than as a food source. A small percentage of humanity survived by walling themselves in a city protected by extremely high walls, even taller than the biggest of giants.
Naraka High School, is a seemingly normal school. However, unknown to the public is the cruel truth of what really goes on in the schools halls. Rather than studying, students are forced to struggle for their very survival. And the strong bonds of friendship may be the only difference between life and death.