Grand Blue Dreaming
Oshimeter
Synopsis
Fresh off a move to a gorgeous coastal town for college, Iori Kitahara has high hopes for the classic university experience: making friends, maybe finding romance, studying by the ocean. Instead, he walks into his uncle's scuba diving shop and finds a bunch of muscular, nearly-naked dudes chugging pure alcohol like it's water. Within hours, his dream college life is already off the rails. This 12-episode TV series from 2018 follows Iori as he gets dragged into the Diving Club at Grand Blue, where "diving" mostly means diving into another round of drinks. His cousin Chisa wants nothing to do with his newfound degeneracy, his upperclassmen Tokita and Kotobuki are terrible influences, and every attempt Iori makes to course-correct somehow ends worse than before. The comedy runs on a loop of escalating bad decisions, and it never gets old because the show commits so hard to each bit. The thing that makes Grand Blue work is how specific it is. The Izu coastal setting gives everything this lazy summer energy, and the scuba diving scenes, when they actually happen, are genuinely beautiful. But mostly it's about dumb college kids doing dumb college things, animated with perfect comedic timing by Studio Zero-G. If you liked the chaotic energy of KonoSuba or the unhinged comedy in TenPuru, this hits a similar nerve. It's a seinen comedy aimed at older audiences, so the humor leans into drinking culture and adult situations without holding back. One of the funniest anime comedies out there, and somehow also a decent advertisement for scuba diving.
Episode Guide
Characters
Iori Kitahara
Iori Kitahara: Izu University student, part-time waiter at Grand Blue diving shop, whose college life takes unexpected turns.
Uchida Yuuma
Chisa Kotegawa
Izu University diving student, Nanaka's sister, secretly caring, and Iori's fake girlfriend.
Anzai Chika
Kouhei Imamura
An 18-year-old otaku and diving club member, Kouhei dreams of a high school girl harem.
Kimura Ryouhei
Aina Yoshiwara
Shy university student, Aina secretly loves Iori and overcomes shyness through diving.
Asumi Kana
MANGA BRIDGE
This season covers Chapters 1-24 of the manga. Continue reading from Chapter 21.

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Aina’s welcome party at the club was rather flamboyant. The serious diving plot-points always provide the audience a brief breather from the usual blast of comedy. The animation that is used to portray the underwater world is superb. The pace complements characters and the plot.
I'm surprised that this anime actually remembers it's about diving ,at least for a few minutes. While the drinking games are still going strong, they showed us glimpse of the beauty of the ocean.
This anime is technically about diving, but they mostly show about the chaotic, alcohol-fueled madness of college life friends. This episode sets the stage for Iori Kitahara's peaceful seaside college debut, which immediately goes off the rails. Pure and peak comedy anime.
they finally manage to deliver an inspiring diving sequence in the finale, though it is inevitably sandwiched between jokes about seasickness and drunk characters demanding nudity.
the narrative structure has completely dissolved into pure comedic chaos, leaning heavily on character obsessions and exaggerated reactions rather than any cohesive storyline.
waiting ten episodes to finally engage with the core premise, only to speedrun the educational aspects of diving in twenty minutes, results in incredibly disjointed pacing.
the visual production remains distinctly average, avoiding 'powerpoint' territory but lacking any real flair. the humor continues to rely on bizarre situational comedy and meta references.
the core plot has been entirely abandoned at this point in favor of city-wide misunderstandings. it functions as a comedy, but offers nothing of value narratively.
advising the audience to entirely turn off their brains to enjoy the show highlights its lack of substance, relying heavily on aggressive yaoi-baiting and 'dude bro' humor.
the narrative continues to heavily rely on comedic relief and absurd character dynamics rather than any actual sports progression, though they finally attempt a dive.
i hate to admit it but my humor is officially broken, this is genuinely so hilarious cakey getting drunk and trying to rip their trunks off had me dying. it even woke up my will to try diving
i desperately need to go fujoing out together with azusa she is absolutely unhinged and i love it. this episode is pure chaos and hilarious
finally some actual diving! i really love the two seniors fr. we basically speedran the entire sport of diving in one episode, but hey, at least we are learning
the art and animation are pretty standard, but the random evangelion reference caught me so off guard it is incredibly stupid but so fun to watch
i have completely lost track of the plot but i am literally crying laughing right now. im100% with azusa kohei and iori should start dating
this is honestly growing on me so much, it is a pure gag show and it is absolutely hilarious. just turn your brain completely off and enjoy the ride f
i have fully accepted that this is just a pure comedy and not a sports anime at all lol. they heavily rely on the stupid characters but it works im not gonna lie
AFTER 12 EPISODES MY WILL TO GO DIVING HAS FINALLY WOKEN UP I am so sorry but my humor is entirely broken, this is actually funny funny and I am laughing out loud, will be watching the next season trust
AZUSA OH MY GOD I am literally losing my mind over this show right now what is happening, this was hilarious
IT ONLY TOOK THEM TEN FULL EPISODES TO FINALLY START DIVING JAHAHHAHH The pacing is so weird I literally do not know what to say anymore
Grand Blue Dreaming
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