CAST:
Glasovi: Sanae Kobayashi (Ryouhei Ozaki),
Sayaka Aida (Toshi Sakuraki),
Yu Asakawa (Momoyo Takikawa),
Issei Futamata (Shouhei Ozaki),
Bin Shimada (Kusajiro Yamashita)

SCRIPT:
Sadayuki Murai

Synopsis:
Ryouhei is a boy attending elementary school who finds his father’s diary from when he was young. It is an adventure diary that mentions hidden treasure and so Ryouhei gathers a few of his friends. They are joined by his unwanted but very resourceful younger brother and they go on an expedition to the underground passages of Tokyo. Soon they find out that the underground is not deserted and they encounter many surprises…

digital, color, 40 min