Grand Blue season 2 reveals ending theme with new trailer ahead of July 2025 premiere

On Monday, April 7, 2025, the official website and X account for Grand Blue season 2 unveiled a new promotional video to showcase the sequel's ending theme song, Hadaka de Dotsukiai feat. May'n by SEAMO. The series is scheduled to premiere on July 8, 2025, on Japanese television.

Grand Blue season 2 is a sequel to the previous installment, which aired 12 episodes from July 2018 to September 2018. The anime adapts the comedy manga series of the same name by author Kenji Inoue and illustrator Kimitake Yoshioka. Kodansha's Good! Afternoon magazine has been publishing the manga since April 2014.

---

Grand Blue season 2's new trailer previews the ending theme song

On Monday, April 7, 2025, the official staff for the series streamed a new trailer for Grand Blue season 2. According to the short clip, Japanese hip-hop artist SEAMO will perform the sequel's ending theme song, Hadaka de Dotsukiai feat. May'n, which translates to Let's Punch Each Other While Naked feat. May'n in English.

The video previews a snippet from the song. It was previously revealed that Shonan no Kaze would perform the opening theme, Seishun Towa (Eternal Youth) ft. Atarashii Gakko!

In addition to revealing the ending theme, the latest Grand Blue season 2 trailer showcases Azusa Hamaoka, Chisa Kotegawa, and other key characters from the series. The video also shows the members of the Diving Club enjoying a lively party at night.

Furthermore, the PV confirms that Grand Blue season 2 will air every Tuesday at 12.30 am JST on Tokyo MX and BS11 channels starting July 8, 2025 (styled as July 7, 2025, 24.30 JST). In addition to Tokyo MX and BS11, the series will also be broadcast on the MBS network in Japan.

Grand Blue season 2 introduces new cast members, including Aya Yamane as Sakurako Busujima, a first-year college student; Yoshino Aoyama as Naomi Otoya, a high school student who manages the kitchen at Iori's part-time job; and Sumire Morohoshi as Shiori Kitahara, Iori's younger sister.

Returning cast members include Yuma Uchida as Iori, Ryohei Kimura as Kohei, Katsuyuki Konishi as Ryujiro, Chika Anzai as Chisa Kotegawa, Hiroki Yasumoto as Shinji Tokita, Maaya Uchida as Nanaka, Toa Yukinari as Azusa, Takuya Eguchi as Hajime, Natsuki Hanae as Yu Mitarai, Shinji Kawada as Toshio Kotegawa, and others.

Shinji, Ryujiro, and Hajime (Image via Zero-G and Liber)

Shinji Takamatsu returns to the franchise as the director, scriptwriter, and sound director for the sequel, produced jointly by Zero-G and Studio Liber. Hideoki Kusama is back as the chief animation director and character designer, while Yoichi Ueda serves as the chief animation director for the show. Aiko Matsuyama is the color key artist, and Yukari Hashimoto is the show's music composer.

According to the anime's official website, Grand Blue season 2 will kick off with Iori returning to Izu after completing his diving license training in Okinawa. Additionally, he receives a letter from his younger sister, Shiori Kitahara. The sequel will delve into a fresh set of summer adventures awaiting Iori and the other members of the Diving Club.

---