When does The Silent Service return?

The Silent Service is written and illustrated by Kaiji Kawaguchi. It was serialized in Kodansha's Weekly Morning manga magazine Weekly Morning from 1988 to 1996. It has over 25 million copies in circulation, making it one of the best-selling manga series. The series was adapted into an anime television special and original video animation series. A live-action film adaptation was announced on January 25, 2023.