Nagasaki in 1986. Young friends Hisada and Takemoto decide to go to Boomerang Island to "see the dolphins". The friendship between the two deepens as a result of this adventure.
番家一路
Takaaki Hisada (young)
Konosuke Harada
Kenji Takemoto (young)
尾野真千子
Ryoko Hisada
Tsuyoshi Kusanagi
Takaaki Hisada
竹原ピストル
Hiroshige Hisada
貫地谷しほり
Masayo Takemoto
岩松了
Uchida
村川絵梨
Yayoi
Momoko Fukuchi
Ako
Goriken
Takeo Ouchida
八村倫太郎
Kanayama
Mizuki Kayashima
Yuka
