Shun Fujishiro is a psychiatrist and works at a university hospital in Tokyo. He is engaged to Yayoi Sakamoto. One day in April, when he is about to marry Yayoi Sakamoto, he receives a letter from his first love Haru Iyoda. They dated 10 years ago. Suddenly, his fiancé Yayoi Sakamoto disappears.
| Actor | Role |
|---|---|
 Takeru SatohShun Fujishiro | Shun Fujishiro |
 Masami NagasawaYayoi Sakamoto | Yayoi Sakamoto |
 Nana MoriHaru Iyoda | Haru Iyoda |
 Taiga NakanoTasuku | Tasuku |
 Ayumu NakajimaPentax | Pentax |
 Yuumi KawaiJun Sakamoto | Jun Sakamoto |
 Rie TomosakaNana Koizumi | Nana Koizumi |
 Yutaka TakenouchiMamoru Iyoda | Mamoru Iyoda |
 Jun HashimotoKitamura | Kitamura |
 Shingo MizusawaKuwahara | Kuwahara |
 Jun SenaTakahashi | Takahashi |
 Kaori ShimaAyako Hasegawa | Ayako Hasegawa |
 Shoko TakadaReiko Nakagawa | Reiko Nakagawa |