EX - Shounen Hyouryuu
EX - Young Castaways
Ongoing Released: 2000

Satoshi and his friends are traveling by boat to Kijijima when a 500-meter tsunami overwhelms their vessel, leaving Satoshi stranded alone on an island. The disaster turns their journey into a fight to survive. The boat’s other passengers and crew are washed ashore and run aground nearby. Satoshi eventually finds them, and together they face the challenges of surviving after the catastrophe.