The official website of Grand Blue announced that the anime’s second season will be released on July 7, 2025.
Returning to perform the opening theme is Japanese reggae group Shonan no Kaze, known for their work on the first season’s opening song, Grand Blue.
This time, they will be joined by the dance vocal unit Atarashii Gakko! for the new theme song, Seishun Towa (Eternal Youth).

Season 2 will continue the story after Iori completes a diving course in Okinawa. The plot kicks off when Iori returns home and receives a letter from his younger sister, Shiori.
Zero-G, the studio behind Season 1, will return for Season 2, this time teaming up with Liber.
Shinji Takamatsu will reprise his role as director, scriptwriter, and sound director, with Hideoki Kusama serving as the character designer and chief animation director.
Key cast members, including Yuma Uchida as Iori, Ryohei Kimura as Kohei Imamura, Hiroki Yasumoto as Shinji Tokita, Katsuyuki Konishi as Ryujiro Kotobuki, Chika Anzai as Chisa Kotegawa, Maaya Uchida as Nanaka Kotegawa, Takuya Eguchi as Hajime Nojima, and Kana Asumi as Aina Yoshiwara, will also be returning.
New cast that will join the anime’s second season includes:
- Aya Yamane as Sakurako Busujima
- Sumire Morohoshi as Shiori Kitahara
- Yoshino Aoyama as Naomi Otoya
The first season of Grand Blue aired from July 14 to Sep 29, 2018. The series ran for 12 episodes.
A live-action film was released on Aug 7, 2020. It was directed by Tsutomu Hanabusa.
Grand Blue Dreaming, also known as Grand Blue, is a Japanese manga series written by Kenji Inoue and illustrated by Kimitake Yoshioka. It has been serialized in Kodansha’s seinen manga magazine Good! Afternoon since April 2014.
The first volume was released on Nov 7, 2014. As of April 2024, twenty-two volumes have been released.
The manga is published digitally in English by Kodansha USA under the Kodansha Comics imprint.
Source: Official Website





















