An ordinary girl who has thought through life a long time ago. A girl who treats life as a game. A girl who has thought through life and treats life as a game meets a boy who is not ordinary in any way and then falls in love with that boy who is not a good boy. He completes a secret love that he thinks is the plot of the game. But when he thinks he has completed the ending, the girl is no longer alive. The boy does not know that there was a girl who loved him.