Evil or Live

The young man Hibiki, who identified as a patient of severe "internet addiction", is forcibly enrolled by his parent in Elite Reeducation Academy. After suffering terrible treatment from the instructors there, Hibiki heading to the roof and trying to suicide. But a mysterious stranger stops him and offers him a proposition.

Shin and Hibiki witness discipline officer Wudo insulting a female student named Jun over a cell phone, which is a contraband item in the school. When Shiori intervenes, Hibiki attempts to help her but gets beaten back for his troubles. Later, Jun and Shiori both vie for the cell phone, but Shin will only hand it over to the one who agrees to his proposal.

Hibiki refuses to serve for Shin, and then he heads to his dorm room. He receives a warm welcome there from his roommates. But when they realize Hibiki had nothing to do with Shin, their attitudes change immediately. After the class began, the course was all twisted physical training and continuous corporal punishment.

In order to help his roommates, Hibiki resists Head Instructor Shian, but Shiori tells him to apologize. In the conflict, the cell phone Shiori's been hiding falls out of her pocket. Shiori lost her title of the student council and all the classmates will be punished for Hibiki's behaviors. With this unexpected situation, Hibiki feels helpless and finally makes up his mind.

Hibiki decided to serve Shin in order to change the situation. The first order is he need to replace Wudo, the discipline officer. Hibiki successfully trapped Wudo, and obtained support from Shian. The darkness is far more than he knows,Hibiki has to seeking help from his classmates. Meanwhile, Shiori meets Akane and Hoku, who want to rule the school.

Seeking the cell phones that Wudo was smuggling, Akane and her team threaten Hibiki, the one who caused his downfall. Shin appears, then runs with Hibiki to the boys' bathroom. When the girls follow, they caught into a trap. Hibiki stuck between them, and he has to make a choice.

As a former drug investigator, Shian once watched his entire team die as the result of his cowardice. As the sole survivor, Shian felt guilty and self-blame, he wanted to help the wife and children of his old partner Kai, but what he found instead was a broken family. Meanwhile, Hibiki is locked away in solitary confinement.

Hibiki, having been released from solitary confinement, returns to the school with a new mission. Instead of being a puppet of Shine, he proposes a way to work with the Hoku, Shiori, and Akane. Soon, the girls' class is challenging the newcomer boys.

To cement Shian's trust and his leadership over class four, Hibiki issues a new challenge to Yoh, the leader from class six. Yoh was furious about the result of eventually tied, he going to assault Hibiki as revenge. Who will be the final winner?

Hibiki is curious about why Shin isn't shown up, after his defeat of Yoh. Shiori, also wondering why they haven't seen Shin for a while, they going to asks Akane and Hoku about it. Meanwhile, a mystery man Hyo arrives at the school on the order of Shin's older brother, he beats Shian, and declares that he'll be replaced Shian.

After her parents died, Shiori and her little brother Shu were adopted by a friend of her father. Soon after, Shu was hospitalized with a hereditary disease, and Shiori was sent to the school as punishment for fighting against her uncle's abuse. Hyo shows up, Hibiki needs to work with Hyo if he wants to be the top of all students.

Everyone has a past, no matter how hurtful, they still moving forward steadily in their own way. Hibiki, Shiori, Shin, and even Hyo, everybody seems they approaching their goal. But things may not be like the way they expect. Evil or Live, is it all the choices they have?