Kaisei Sakamoto is a 16 year old boy who is inclined to settle everything with his fists. He grew up in a town where you can see both Nagazaki and Gunkanjima, living with his father. His father, Genkai Sakamoto, runs a small ramen shop. The father-son duo has just recently had a large fight. The story showcases fragments of one's youth and the questions that crop up while growing up.
Kanta Sato
as Kaisei Sakamoto
Masaya Katō
as Genkai Sakamoto
Mayu Yamaguchi
as Yui
Tatsuomi Hamada
as Jun
Hidekazu Akai
as Iwao Nomozaki
Misa Shimizu
as Izumi
Nene Otsuka
as Sayuri Sakamoto
Reiya Masaki
as Jin Koike
Wataru Ichinose
as Tetsu
Masato Hanazawa
as Ryo Koike