Sometimes high school student outsuka Kanade can see glimpses of a person's future. But when she glimpses an unfortune incident coming, can she - should she - change it? New classmate Naitou Arou can see a person's past. Are these teen seers of the past and future made for each other? And who is right, Arou with his "hands off" policy about meddling on people's lives or Kanade, whose more proactive stance has already had unhappy consequences?