キミガシネ　―多数決デスゲーム―

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.

[From vgperson]