Severe internet addiction has become an epidemic infecting the nation's youth, ultimately resulting in their extreme dependence on the world wide web. Those who are too far gone are enrolled at Elite Reeducation Academy in order to help them grow into successful adults. Hibiki is one such teenager who awakens in the facility unaware of how he came to be there. He learns from the head instructor that he was knocked out and brought to the school at his mother's behest, concerned with how belligerent her son was becoming as a result of his internet addiction. Stuck in a place more akin to a prison than an academy, and with no escape from the abuses of the instructors, Hibiki decides to end his life by jumping from the roof. But as fate would have it, he meets a mysterious man named Shin who promises to give his life meaning... [Written by MAL Rewrite]

The main character, a cat named Nyatto, embarks upon a journey to save his sister's soul, which was ripped in two when Nyatto tried to save her from Death. She trails after him, brain-dead. They encounter many brilliant, mind-bending situations, beginning with a disturbing magic show.

Naruto faces off against his old pupil Konohamaru in a tournament during the chuunin entrance exams.

After the climactic battle to decide the fate of humanity, the hero Max, alongside his party, emerges victorious against the formidable Demon Lord. As he draws his last breath, the defeated Maou vows to return more powerful than ever to take his revenge. Ten years later, although Maou has resurrected, the process is incomplete, resulting in him taking on the form of a child. Nevertheless, not wanting to waste another second, Maou pays his nemesis a visit—but the hero who once gallantly protected humankind from the demon's clutches is now a pitiful slob bearing no resemblance to a man of his former caliber. Despite his disappointment, Maou moves in with Max in hope of building him back up into a worthy adversary. But as the demon learns more about the events that transpired in the decade of his absence, he realizes that there is a story behind Max's downfall that he knows nothing of.