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Kōji Miura's Blue Box Manga Gets 2nd Novel Adaptation on December 4
posted on by Joanna Cayanan

Shueisha is listing a second novel adaptation of Kōji Miura's Blue Box manga titled Ao no Hako Interlude (Blue Box Interlude), which will ship on December 4. Miura and Nanao are again writing the novel, which includes a story about Kyō Kasahara's own unrequited love and an episode about Taiki and Chinatsu's first part-time job experience.
The manga's first novel adaptation titled Ao no Hako Prologue (image right) shipped in Japan in December 2024.
Shueisha's MANGA Plus service publishes the manga in English digitally, and Viz Media also publishes the manga digitally and in print.
Miura first published the story as a one-shot manga in Shueisha's Weekly Shonen Jump magazine in 2020. The magazine started the manga's serialization in April 2021. Shueisha published the manga's 22nd compiled book volume on October 3. The manga's vertical, full-color version launched on Shueisha's Jump TOON manga service in December 2024.
The anime adaptation's first season premiered in Japan in October 2024. The first season aired for two consecutive cours (quarters of a year).
The anime is getting a second season.
Source: Shueisha