Read manga: Your Turn To Die: Death Game By Majority

manga
Summary:

Based on a popular game from Niconico.Sara Chidouin returns home from school late one night to discover that something's gone terribly wrong.When she comes to, she finds herself, her friend Joe, and 9 other people trapped in a mysterious place.Placed in life-and-death situations, they must come to an agreement about what they should do - and who should die.Link to the original game. (Free, translated to english, and can be played in browser)