*Digital version Delisted as of 2019* One day, Isamu Arashi, an adventurous boy, suddenly becomes a "pinch hunter.'' At the bottom of the sea and underground, Isamu heads out to hunt "danger" with his pet cheetah. --Isamu goes out to see an ocean volcano and saves a girl who has collapsed on the beach. However, he is attacked by a fire-breathing monster that suddenly appears...!? The full-length anime "30,000 Leagues Under the Sea,'' which was screened at the "Toei Manga Festival,'' was an original work done by the author, and this is a manga adaptation of it.