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...
as Umi Sakura
as Masahiro Harukawa
as Kosuke Sakura
as Hino
as Chisako
as Shun Uchida
as Tatsuhiko Sakura
as Ai Harukawa
as Police officer
