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.
Yuiko Kariya
Fuyuha Onodera
Koji Yamamoto
Yutaka Sabashima
Seiran Kobayashi
Hana Kawano
Chikako Kaku
Kanako Mouri
Misako Tanaka
Yuko Onodera
Satoshi Nikaido
Yuya Kawano
Ryoko Kuninaka
Takako (Midohara) Kawano
Rena Tanaka
Keiko (Misumi) Inoue
Makiya Yamaguchi
Masahiko Inoue
Rie Tomosaka
Miya Akiyoshi
Shinji Takeda
Masataka Asahimura
Kenta Kiritani
Koji Higashihagi
Ai Moritaka
Sankuma [Young]
Yûto Muguruma
Hagikou [Young]
Saki Minamino
Miya [Young]
Suzu Hirose
Takako [Young]
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