Grand Blue
Score
8.0 / 10

Type TV (12 eps)
Status Finished Airing
Aired Jul 14, 2018
Studios Zero-G
Genres

Where to Watch

Grand Blue: Ultimate Review – Comedy Explosion!

Original Title: Grand Blue

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Why Watch It?

  • Hilarious, over-the-top facial expressions and slapstick comedy
  • Strong portrayal of male friendships and university life
  • Unique premise blending diving with outrageous humor

Why Skip It?

  • Minimal overarching plot or character development
  • Heavy reliance on crude humor and male nudity/fan service
  • Diving aspects often take a backseat to the comedy

Our Review

Written by AnimeReview Team
If you're looking for an anime that will make you laugh so hard you question your sanity, then clear your schedule and prepare for a wild ride because *Grand Blue* isn't just a comedy – it's an absolute explosion of hilarity that will shatter your expectations of college life! From the very first scene, I was utterly captivated. Iori Kitahara's innocent hopes for a pristine university experience, complete with beautiful girls and studious days, are *instantly* obliterated by the sheer, unadulterated chaos of the Diving Club. The moment he steps into his uncle's shop and is greeted by a horde of naked, drunken upperclassmen, I knew this wasn't just another slice-of-life comedy; this was a masterpiece in the making, and I was hooked before the opening credits even rolled.

The story, or rather, the series of escalating misadventures, is a relentless barrage of comedic genius. While the synopsis mentions scuba diving, let's be real: that's mostly a hilarious backdrop for the characters' alcohol-fueled antics, their constant financial struggles, and their desperate (and often failed) attempts to impress women. I absolutely loved the running gag of the "water ritual" and how it always devolved into Iori and Kohei getting abused in the most spectacular ways. The sheer dedication to their bizarre traditions, coupled with their genuine love for diving (when they actually get to it), creates a unique blend of absurdity and unexpected heart. Every episode presented a new, outrageous scenario, from disastrous university festivals to "dating" simulations gone horribly wrong, each one funnier and more over-the-top than the last.

Speaking of characters, the cast of *Grand Blue* is an ensemble of comedic legends. Iori, our "straight man" protagonist, is a fantastic lead – his internal monologues are gold, constantly trying to rationalize the insanity around him while inevitably getting dragged deeper into the madness himself. But the true star for me is Kohei, the otaku whose dreams of a harem anime college life are tragically and hilariously crushed at every turn. His escalating despair and the way he clings to his anime ideals in the face of absolute depravity is just brilliant. The upperclassmen, Shinji and Ryuujirou, are terrifying mentors who are both the source of most of the problems and, surprisingly, capable divers. Even the more "normal" characters like Chisa and Aina get their moments to shine, often by simply reacting to the pure, unadulterated chaos unfolding around them.

Visually, *Grand Blue* is a triumph of comedic animation. Zero-G did an incredible job with the art style, particularly when it came to the character expressions. The grotesque, exaggerated facial contortions are not just funny; they are *iconic*. The animators perfectly captured every scream, every look of horror, every moment of drunken delirium, making each punchline land with maximum impact. The contrast between these hilariously ugly faces and the genuinely beautiful underwater scenes is also striking, reminding you that there *is* a serious diving element, even if it's constantly overshadowed by the drunken shenanigans. It's a masterclass in using animation to enhance comedic timing.

And let's not forget the soundtrack! The opening theme, "Grand Blue," is an absolute banger – it's energetic, catchy, and perfectly sets the tone for the wild ride ahead. It makes you want to jump up and join the party, even if that party involves naked men and copious amounts of oolong tea (or not!). The background music expertly complements the comedic timing, building tension for a punchline or subtly highlighting the rare moments of genuine emotion. Even the sound effects, from the slaps and punches to the guttural screams of despair, are perfectly placed to amplify the humor, making every scene pop.

What truly makes *Grand Blue* special is its unapologetic commitment to its brand of humor. It doesn't shy away from crude jokes, nudity, or over-the-top reactions, but it does it all with a strange sense of heartwarming camaraderie. Beneath all the chaos, there's a genuine portrayal of friendship and the unique bonds formed during those formative college years, even if those bonds are forged in the fires of shared humiliation. It’s a show that will make you feel a little bit uncomfortable, a lot confused, and absolutely, undeniably roar with laughter. This anime is a breath of fresh air, or rather, a gulp of salty seawater mixed with pure alcohol, that genuinely made me laugh out loud with every single episode.

If you are a fan of irreverent humor, over-the-top reactions, and a story that consistently defies expectations, then *Grand Blue* is an absolute must-watch that you will not regret diving into.

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Frequently Asked Questions

Synopsis

Oh boy, if you're looking for an anime that perfectly captures the wild, chaotic, and utterly hilarious side of college life, then *Grand Blue* needs to be at the top of your watch list. I remember going into this thinking it would be a nice, serene show about scuba diving, but I was so, so wrong in the best possible way. We meet Iori Kitahara, a fresh-faced university student with grand dreams of a romantic, idyllic college experience—you know, quiet studies, maybe a cute girlfriend, and just generally being cool. He moves to the coastal town of Izu, ready for his new chapter, and finds himself living above his uncle's scuba diving shop, aptly named Grand Blue. What he *doesn't* expect, however, is for his dreams to be immediately and spectacularly shattered the moment he steps foot inside.

Instead of the calm, studious atmosphere he envisioned, Iori is instantly sucked into a vortex of shirtless, muscle-bound upperclassmen, Shinji Tokita and Ryuujirou Kotobuki, who are less about academia and more about aggressive partying and… copious amounts of alcohol. These guys aren't just eccentric; they're a force of nature, and Iori, despite his initial protests, quickly finds himself unwillingly roped into their bizarre, often naked, antics. The show wastes no time in throwing him into the deep end, literally and figuratively, showcasing a college experience that is anything but picture-perfect, and an absolute riot to watch unfold.

Amidst the constant pranks, the questionable "drinks," and the general mayhem, there's also Iori's cousin, Chisa Kotegawa. She's the sensible, serious type, and her immediate reaction upon witnessing Iori's initiation into the diving club is pure, unadulterated disgust. This dynamic creates some of the series' most memorable comedic moments, as Iori tries desperately to salvage some semblance of his dignity and ideal college life, all while navigating the chaotic demands of his new "friends" and the ever-present judgment of his cousin. It's a fantastic push-and-pull that defines much of the early plot, surprisingly blending the utterly absurd with genuine moments of character growth, especially as Iori starts to actually learn the ropes of scuba diving.

Honestly, if you're in the mood for an anime that will make you laugh until your sides hurt, with over-the-top facial expressions, outrageous situations, and a surprisingly heartfelt core about friendship and finding your place, then *Grand Blue* is absolutely essential viewing. It’s a masterclass in comedy that perfectly balances its wild humor with the surprisingly beautiful world of underwater exploration, making for a truly unforgettable and endlessly entertaining experience that I wholeheartedly recommend.

Trailer

Comments (4)

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B
BakaIoriFan Jan 07, 2026

Okay, this anime is pure comedic genius! 😂 Iori's reactions are always gold, and the whole cast is just a mess in the best way possible. Seriously, if you need a laugh, watch Grand Blue!

A
AnimeAnalyst_X Jan 05, 2026

The humor is definitely... specific. While some of the visual gags land, I do wish there was a bit more substance or plot progression sometimes. It often feels like a series of escalating jokes without much narrative movement.

M
MangaDivePro Jan 04, 2026

They did such a fantastic job adapting the early chapters! The facial expressions are spot on, and the voice acting perfectly captures the manga's insanity. Really hoping for a Season 2 so we can see the later arcs animated!

F
FirstDiveCurious Jan 03, 2026

Just started Grand Blue, and wow, this is NOT what I expected from a 'diving' anime! 🤣 So much screaming and drinking! Does it actually get serious about diving later, or is it mostly just this hilarious chaos?