Matsuyama Kenichi plays the role of Yosuke living in the Showa era who has an unspeakable secret and emotional scar like Misako. When the two of them meet, they try to relieve their loneliness in each other's company. As for Matsuzaka Toori, he plays the role of Ryosuke in the current era who discovers the diary talking about Misako from his dying father's study room. Satsukawa Aimi plays Mitsuko who is a friend of Misako while the younger version of Misako is played by Kiyohara Kaya, As for Seino Nana, she plays Ryosuke's fiancee Chie who disappears suddenly without a word while Kimura Tae plays Chie's ex-colleague Hosoya, a mysterious woman who was asked to pass a message from Chie to Ryosuke.
Filming is expected to be completed by late August. Some of the cast members including Matsuyama who are featured in the Showa era completed their filming last autumn while those in the current era including Matsuzaka will only begin their filming from late June.
Sources: Nikkansports / Sanspo / Eiga.com