The Grand Blue Friday Radio special livestream announced a second season for the Grand Blue (Grand Blue Dreaming) television anime on Sunday. Production company NBCUniversal Entertainment Japan simultaneously updated the official website, revealing the main staff, cast, and a teaser visual (pictured).

Staff
Director, Script, Sound Director: Shinji Takamatsu (Grand Blue, Danshi Koukousei no Nichijou)
Character Design: Hideoki Kusama (B: The Beginning Succession)
Chief Animation Director: Hideoki Kusama, Youichi Ueda (Bartender: Kami no Glass)
Art Director: Reiko Kasuga (Love Live! Superstar!!)
Prop Design: jimao (Koori Zokusei Danshi to Cool na Douryou Joshi)
Color Design: Aiko Matsuyama (Kimi no Koto ga Daidaidaidaidaisuki na 100-nin no Kanojo)
Director of Photography: Naoyuki Katou (Ginga Eiyuu Densetsu: Die Neue These original mechanical design)
Editing: Shun Tokuda (Sand Land)
Sound Production: Saber Links (Re:Monster)
Music: Yukari Hashimoto (Komi-san wa, Comyushou desu.)
Studio: Zero-G, Liber

Cast
Iori Kitahara: Yuuma Uchida (Shangri-La Frontier)
Kouhei Imamura: Ryouhei Kimura (Mairimashita! Iruma-kun)
Shinji Tokita: Hiroki Yasumoto (Hoozuki no Reitetsu)
Ryuujirou Kotobuki: Katsuyuki Konishi (Kimetsu no Yaiba)
Chisa Kotegawa: Chika Anzai (Lycoris Recoil)
Nanaka Kotegawa: Maaya Uchida (Kinsou no Vermeil)
Azusa Hamaoka: Toa Yukinari (Hataraku Saibou)
Aina Yoshiwara: Kana Asumi (Maou Gakuin no Futekigousha)
Hajime Nojima: Takuya Eguchi (Mashle)
Shinichirou Yamamoto: Junya Enoki (Tokyo Revengers)
Yuu Mitarai: Natsuki Hanae (Undead Unluck)
Kenta Fujiwara: Robert Waterman (Hachi-nan tte, Sore wa Nai deshou!)
Kudou Kaichou: Jun Fukuyama (Horimiya)
Toshio Kotegawa: Shinji Kawada (Shokugeki no Souma)
Kaya Mizuki: Nana Mizuki (Ijiranaide, Nagatoro-san)

The first anime season adapting Kenji Inoue and Kimitake Yoshioka's seinen comedy manga aired in 12 episodes on MBS' Animeism programming block in Summer 2018, adapting the first five volumes. Amazon streamed the anime worldwide on its Prime Video service.

Inoue and Yoshioka began serializing the manga in good! Afternoon magazine in April 2014. Kodansha published the 22nd volume on April 5, with the 23rd volumes going on sale on October 7. Grand Blue has a cumulative 10 million copies of its volumes in circulation worldwide.

Kodansha USA licensed the manga in English in November 2017 and released the 19th volume in June 2023. The 20th volume is set for a November 19 release.

A live-action film produced by Warner Bros. Japan opened in Japan in August 2020, grossing over 452 million yen (approx. US$3.1 million).

Official site: https://www.grandblue-anime.com/
Official X: @gb_anime
Official Manga site: https://afternoon.kodansha.co.jp/c/grandblue/
Official Manga X: @sakazukiwohosu

Source: Press Release

Grand Blue Season 2 on MAL