There is no season 2 so it covers nothing. If you wanna discuss what a season 2 potentially could cover then I don't think it would go that far, more like the end of the island arc. Edit: enano is talking about why it took 4 years for AOT to make season 2, not why Grand Blue hasn't. The island arc ended before season 1 aired.
Entertainment / By The TeCake Staff / Nov 30, 2020 Studio Zero-G has been prodding its fans by not declaring the restoration of Grand Blue Season 2. A large number of fans the world over observe potential in the parody anime and hope to observe a greater amount of it. While there's no affirmation yet, there is still enough trust in its future.
Grand Blue Season 2- Plot Details. Grand Blue revolves around the story of Lori Kitahara, a young gun with a thousand dreams. He is excited to start his college life in the Izu Peninsula. Lori has an Uncle in this new place running a diving shop with the name "Grand Blue."
As already mentioned that there is no official announcement regarding the Grand Blue Season 2 release date. So we can expect the announcement of Grand Blue Season 2 to be released in 2 or 3 months as the studio does not have any plan to make projects linked up.
However, will Grand Blue Season 2 come out? Many fans are currently trying to convince the continuation of season 2 of this series. They have now started creating a petition to support the anime Grand Blue from getting a sequel soon. But it seems too soon to press charges at this time. No US television show has had an anime series take long Here's everything we know about him Grand Blue Season 2 on Amazon Prime Video! Several petitions have been filed asking Zero-G to release the second season. No official announcement has been made yet, but you don't need to worry. Let the study take its time. According to our sources, it will take until the end of 2021 for Zero-G to have . 123 283 112 484 446 6 106 216

grand blue season 2 petition