Shinkai no Kantai: Submarine 707

A mysterious object attacks and sinks various vessels at sea. Submarine 707 is tasked with investigating the threat after being guided by a whale to an unknown location. The journey leads them to the world of Mu, an ancient civilization. Along the way, they encounter the mysterious object again, which is revealed to be Commander Red Silver. He is attacking Mu to seize its magma resources. Submarine 707 engages in battle to stop Red Silver, aiming to protect Mu and prevent wider destruction.

Traduzione in corso — testo originale in inglese.