Grand Blue Season 2

Three months have passed since Iori Kitahara began living above Grand Blue, his uncle's scuba diving shop, and joined his university's Diving Club. Alongside the other members, he has spent his days drinking and recklessly having fun. However, when Iori's sister, Shiori, hears about his behavior, she decides to take matters into her own hands—and bring him back home to make him take over their family's inn.

Despite her best efforts, Shiori temporarily gives up as she sees how Iori has grown attached to Grand Blue and his friends. As Iori and the rest of the Diving Club continue to party like there is no tomorrow, they end up in all kinds of bizarrely amusing situations, still somehow managing to hone their scuba diving skills!

[Written by MAL Rewrite]

Kitahara, Iori Main

Uchida, Yuuma Japanese

Kotegawa, Chisa Main

Anzai, Chika Japanese

Imamura, Kouhei Main

Kimura, Ryouhei Japanese

Yoshiwara, Aina Main

Asumi, Kana Japanese

Hamaoka, Azusa Supporting

Yukinari, Toa Japanese

Busujima, Sakurako Supporting

Yamane, Aya Japanese

Kotegawa, Nanaka Supporting

Uchida, Maaya Japanese

Tokita, Shinji Supporting

Yasumoto, Hiroki Japanese

Kotobuki, Ryuujirou Supporting

Konishi, Katsuyuki Japanese

Kitahara, Shiori Supporting

Morohoshi, Sumire Japanese

Kurashima, Youichi Producer

Kachi, Hideyuki Producer, Planning

Yonezawa, Akira Producer

Miyagi, Yumeno Producer

Reviews

Mar 21, 2026

ArulDesu69997

Recommended

The comedy in the second season is much less intense than in the first. It's not that it's no longer funny, but it's certainly less so. Perhaps they created this season to deepen the characters. I think this season is more personal than the first. But I still laughed out loud at every joke.


In terms of animation, not much has changed from the previous season. It's still good, and I hope the next season maintains this consistency.


The new characters introduced in this season are quite fresh, which makes the comedic situations even funnier.


This is a series I highly recommend to fans of the comedy genre ... because the comedy is genuinely funny.

Reviewer’s Rating: 10

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Mar 24, 2026

Otaku_Senpai

Mixed Feelings

This is a funny show, with decent art and animations. Comedy often centered around gag humor and over the top facial expressions. Kind of reminded me of GTO (Great Teacher Onizuka). This show could also appeal to diving enthusiasts. Now season one, I felt had excessive nudity and drinking. Characters were too much shameless. I couldnt relate to it as they had too different culture. In season two they toned down the degeneracy. That is less nudity and less drinking. Season two had a better storytelling. It is better than season 1.

Finally I liked both the OP and ED songs. Show had a decent soundtrack.

My ... Rating: 7/10 (Good)

Reviewer’s Rating: 7

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Oct 3, 2025

Prashantttt

Not Recommended

Where Grand Blue Season 1 was pure fun, Season 2 completely shifts toward the romance side. The problem? Instead of bringing something new, the show mostly recycles the same sexual/ecchi comedy about asses and melons yeah, the same jokes again and again. Grand Blue was famous for wild, over-the-top comedy, but here it feels watered down and repetitive.

Like I said, Season 2 is stuck in romance mode. From the first episode to the last, all they do is throw every single girl at our MC, Lori. Some by mistake, some by misunderstanding, and suddenly every girl is chasing or colliding with the MC. It’s not ... romance, it’s recycled drama disguised as romance. There’s no depth, no actual development, just dumb filler situations designed to drag the story. Watching it feels more like punishment than entertainment.

basically S2 is mostly based on OUR MAIN character Lori , almost he got the most of the screen time in the show , every incident is around him .

Characters

Lori – The supposed MC. Honestly, in Season 2 he doesn’t even feel like the main character. He’s just treated like a punching bag. Every female character either abuses him or makes him look like trash, all in the name of “comedy.” His character is not fun anymore—it’s pathetic.

Other characters (Chisa, Aina, Kouhei, etc.) – Their role this time is basically just to support Lori. Nothing new, nothing exciting.

we also have some new characters in S2

(Sakurako) – Easily the most annoying addition. She’s a tsundere, but instead of being interesting, she’s just a straight-up bitch. Honestly, she should sacrifice herself to Truck-kun and save the audience the pain.

The gay character – His presence or absence makes zero difference. He exists, that’s it.


Overall

Grand Blue Season 2 is all about stupid lazy repetitive romance comdey, The humor is stale, the story is boring, and the characters feel wasted.

Reviewer’s Rating: 2

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