It has been serialized in Kodansha 's seinen manga magazine good! A live-action film adaptation was originally scheduled to release on May 29, , but has been postponed to August 7, due to the COVID pandemic. Iori Kitahara looks forward to his new life on the Izu Peninsula as he prepares to start his college life there, staying in a room above his uncle's diving shop "Grand Blue. Despite his attempts to distance himself from the group, Iori gets quickly swept up in their antics, while his cousins try to show him the wonders of diving into the ocean and sea. An anime television series adaptation was announced in the Good!

It began serialization in the May issue of Kodansha 's Good! A new life begins for Iori Kitahara as he begins his college career near the ocean in Izu city, full of excitement for his new life. He will be moving into his uncle 's diving store " Grand Blue. Will Iori be able to live his dream college life? Main Article: List of Grand Blue characters.

A college student joins the local diving club after meeting some rowdy upperclassmen. New adventures in booze and the ocean await. Iori moves into his uncle's diving shop in Izu to attend college. Contrary to his expectations of campus life, he ends up with a group of buff guys. Iori joins the Peek a Boo diving club.