"My mother once told me there are three, and only three, truly defining moments in your life. One: When you don't know. Two: When you realize you don't know. Three: When you know. This is about the third one." --- Angel Young is going to die. Or at least he thought so. But when he prepares himself for the fall of the 7 stories, he gets a strange call that suddenly stops him. Haruki Nakamura is going to die. Or at least he plans on it. But right when he looks down the face of his open bedroom window, he decides to give life one last shot to keep him around. When a wrong call to the right person turns both of the boys' deteriorating lives towards each other, they make a pact to put off their deaths for one year in a last promise they will give their world one more chance before saying goodbye. And if at the end of it they still can't find reason to go on, they'll both fall together. After all, if they can't save themselves, then they can at least try to save each other.