Yuri, Moeko, and Ai are best friends from high school. Though their twenties were about to end, they believed their eternal world would remain forever. In spite of their will, some misfortunate events such as love, betrayal, memory, regret, and one book with its secret exam their friendship. Those girls get lost in the unveiled story, which is filled with meeting and parting. Scattered life = scattered story will move on any further? A little journey begins now.