Blue Box Season 2 Reveals aiko and elsewhere kikou Theme Songs
The new season premieres October 4 on TBS and 27 other channels, with Netflix streaming starting in October.

Blue Box’s second season released a main trailer and visual, revealing songs by aiko and elsewhere kikou. Yoshino Aoyama joins the cast as Yumeka Kido, while Daisuke Sakō and Electric Circus take over directing and animation.
The official website for Blue Box (Ao no Hako), the anime adapting Kōji Miura’s manga, released its second season’s main promotional video and visual on Wednesday.
The video announces and previews the opening song, “Anata no Hana no Iro” (The Color of Your Flower), by singer-songwriter aiko. It also introduces and previews the ending song, “blue in,” by the duo elsewhere kikou.
Season 2 premieres October 4 on TBS and 27 other channels. Netflix will begin streaming it in October.
Yoshino Aoyama joins the new season as Yumeka Kido. The anime’s cast also includes:
- Shōya Chiba as Taiki Inomata
- Reina Ueda as Chinatsu Kano
- Akari Kitō as Hina Chono
- Chiaki Kobayashi as Kyo Kasahara
- Yūma Uchida as Kengo Haryū
- Shōgo Sakata as Ryōsuke Nishida
- Anna Nagase as Nagisa Funami
- Asaki Yuikawa as Niina Shimazaki
- Yūki Ono as Shōta Hyōdō
- Kenshō Ono as Shūji Yusa
- Kana Ichinose as Ayame Moriya
- Yūki Kaji as Kazuma Matsuoka
The second season brings several production changes:
- Daisuke Sakō (Lupin Zero) replaces first-season director Yūichirō Yano.
- Electric Circus replaces Telecom Animation Film as the animation studio.
- Anri Ishii succeeds Ōnoo Fujii as art director.
- Yumika Okazaki replaces Yoshihiro Kasahara as editor.
The remaining main staff continue in their first-season roles.
Season 1 launched on Japanese television in October 2024 through TBS and 28 affiliated networks, with weekly streaming on Netflix. It ran for two consecutive cours, or quarters of a year. Its second cours began airing in Japan in January 2025.
Shueisha’s MANGA Plus service releases the manga digitally in English. Its synopsis follows Taiki Inomata, a boys’ badminton team member at Eimei Junior and Senior High, a school known for sports.
Taiki loves Chinatsu Kano, an older basketball player who shares his morning gym training time. One spring day changes their relationship sharply, beginning a story of romance, sports and youth.
Miura introduced the story as a one-shot in Weekly Shonen Jump in 2020. Serialization began in the magazine in April 2021, and the manga concluded on July 13. It has more than 6.2 million copies in circulation.
The manga’s volume releases include:
- Shueisha released volume 26 on July 3.
- Viz Media published its English volume 21 on August 4.
- Volume 27 ships on October 2.
- The 28th and final volume ships on December 4.
The first season’s production team included:
- Director Yūichirō Yano (Moyashimon, Lupin the Third: Part 5)
- Series script supervisor Yūko Kakihara (Buddy Daddies, Cells at Work!, Chihayafuru seasons 2–3)
- Character designer Miho Tanino (Tower of God, Blue Thermal)
- Animation studio Telecom Animation Film
- Planning and production company UNLIMITED PRODUCE by TMS
Sources: Blue Box anime's website via ANN







