Tasuuketsu 

One night, almost everyone in the city suddenly dies. Those few survivors, including Saneatsu, a high school student, receive a message from a person calling himself "The Emperor" through a monitor. The message states that, from now a "majority vote" will be held every night and the "majority" will die. Having at least about half of the human population reduced every night, will they be able to survive in the desperation in a whirlwind of betrayal and intrigue? Originally serialized in Ura Sunday U-2 Ligue competition, it was re-released in Manga Gotcha website from Micro Magazine publisher and due the end of service it was transferred back to Ganma!