Ousama Game

Ousama Game (王様ゲーム, Ōsama Gemu, lit. "King's Game") is a manga series written by Nobuaki Kanazawa and Hitori Renda. It was published from 2010-2012 by Futabasha and has 5 volumes. E☆Everystar is the magazine it was serialized in.

is an anime television series adaptation of the Ōsama Game cell phone novel and the sequel, Ōsama Game: Extreme. It is animated by Seven.

Plot
Nobuaki Kanazawa, who transferred to a high school far away, is afraid of getting intimate with his new classmates because of the events that happened from his previous school. This led him to shut his heart. However, he starts to open up during the sports festival's class relay. He and all his classmates received an email from "King." At first, his classmates didn't take what they were told seriously, thinking it's just a joke, but Nobuaki, the only one who knows the real meaning of it, fights against the "death" game that will soon begin…

The rules of the King's Game are as follows:


 * 1) All class members must participate.


 * 1) The order sent by King through email must be followed within 24 hours.


 * 1) A punishment will be given to those who don't follow the order.


 * 1) Quitting the King's Game halfway is forbidden.