Adapted from Kabei Yukako's novel of the same name. After being guided by a mysterious message from the past on a cellphone's answering machine, Umi encounters Mahiro, a delinquent at her school. They gradually come closer, but more messages appearing on the answering machine will unveil past secrets...
Mio Yuki
Umi Sakura
Yuki Inoue
Masahiro Harukawa
Atsuhiro Inukai
Kosuke Sakura
Sakurako Konishi
Hino
Aina Yamada
Chisako
Kiita Komagine
Shun Uchida
Tasuku Nagaoka
Tatsuhiko Sakura
Yuki Sakurai
Ai Harukawa
