Five former middle school classmates receive an email from a girl who was their classmate, but disappeared on a school trip 20 years ago. The email causes the five former classmates to meet once again.
Fuyuha Onodera
Yutaka Sabashima
Hana Kawano
Kanako Mouri
Yuko Onodera
Yuya Kawano
Takako (Midohara) Kawano
Keiko (Misumi) Inoue
Masahiko Inoue
Miya Akiyoshi
Masataka Asahimura
Koji Higashihagi
Sankuma [Young]
Hagikou [Young]
Miya [Young]
Takako [Young]
