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...
優希美青
as Umi Sakura
井上祐貴
as Masahiro Harukawa
犬飼貴丈
as Kosuke Sakura
小西桜子
as Hino
Aina Yamada
as Chisako
駒木根葵汰
as Shun Uchida
永岡佑
as Tatsuhiko Sakura
桜井ユキ
as Ai Harukawa
篠原篤
as
和田聰宏
as
大水洋介
as Police officer
諏訪太朗
as
