: Adapting chapter 25 of the manga, this episode focuses on the group attending a concert featuring Kaya Mizuki (the idol Kohei fanboys over).
: Fans often highlight Aina’s introduction as the "straight man" of the group as a turning point for the club's dynamic. Season 2, Episode 6: "The Cakey Cafe Phase 2" Original Air Date : August 11, 2025 Key Plot Points :
: The episode is noted for showing great teamwork among the male characters, even if their goals are often questionable. Grand Blue Episode 6
: The anime added specific concert footage from Season 1, Episode 11 to evoke nostalgia. It also included anime-exclusive scenes showing what happened on Chisa's end after the "Cakey Cafe" phase.
: Based on the manga by Kenji Inoue and Kimitake Yoshioka, which is known for its "diving" premise that frequently shifts into alcoholic comedy. : Adapting chapter 25 of the manga, this
: Iori and Kohei attempt to navigate their German language exams. Because they didn't study, they try various elaborate (and failing) methods to cheat off Chisa, ultimately resulting in them having to retake the test.
: The episode concludes with a classic Grand Blue misunderstanding where Iori and Kohei end up in a heated argument that devolves into a Pocky game to "settle" things. : The anime added specific concert footage from
: The episode featured a highly anticipated "iconic panel" from the manga which was fully animated and colored for the first time. Series Status Summary Season 3 : Officially confirmed to premiere in July 2026 .