Three former middle school friends who reunited after 37 years to pursue the mystery behind their former club advisor's disappearance.
as 'Yun' Yuta Yoshii
as 'Chen' Hajime Fujimaki
as 'Kinpo' Kisuke Kikuhara
as 'Matilda' Michiru Miyashita
as Hakuba Nishino
as Tsurumi
as Kento Yoshii
as Satsuki Onodera
as Shoko Kikuhara
as Young 'Yun' Yuta Yoshii Yuta
as Young 'Kinpo' Kisuke Kikuhara
