Diving to save a camera from a fall down a flight of stairs, high school junior Naomi Sukuse wakes with no memory of the last four years. Naomi must remember who she was and figure out who she wants to be in this story of love and second chances.
| Actor | Role |
|---|---|
 Maki HorikitaNaomi Sukuse | Naomi Sukuse |
 Kenichi MatsuyamaYûji Miwa | Yûji Miwa |
 Yuya TegoshiMirai Hasegawa | Mirai Hasegawa |
 Anton YelchinAce Zuckerman | Ace Zuckerman |
 Emma RobertsAlice Leeds | Alice Leeds |
 Misa ShimizuMrs. Hasegawa | Mrs. Hasegawa |
 Atsuro WatabeGorô Sukuse | Gorô Sukuse |
 Reika KirishimaSeiko Hospital Receptionist | Seiko Hospital Receptionist |
 Mirei KiritaniYumi | Yumi |
 Kate MillerIsabel | Isabel |
| KKyleeWinnie | Winnie |