Elsewhere Kikou Release "blue in" Ending Theme for Blue Box Season 2
The single and its music video, directed by Yukiko Abe, arrived on October 5, 2026, after the anime's second season premiered.
Elsewhere Kikou digitally released their single "blue in" on October 5, 2026, according to crunchyroll.com. The track serves as the ending theme song for the fall 2026 TV anime Blue Box Season 2.
The music video for "blue in" was shared on Elsewhere Kikou's official YouTube channel. It was directed by Yukiko Abe and stars Tomoaki Wada and Tamao Hirai.
Blue Box Season 2 premiered in Japan on October 4, 2026, one day before the single's release. Daisuke Sato takes over as director for Season 2 at the new studio Electric Circus, replacing Yuichiro Yano at Telecom Animation Film. Yuko Kakihara and Miho Tanino return as series composer and character designer, respectively.
Elsewhere Kikou formed in September 2020 and made their major debut with TOY'S FACTORY in February 2026. Blue Box Season 1 aired from October 2024 to March 2025, with Omoi Anno performing the insert song "Koiiro" for Episode 24.
Quick answers
What is the ending theme for Blue Box Season 2?
"blue in" by Elsewhere Kikou serves as the ending theme song for the fall 2026 TV anime Blue Box Season 2.
When was the music video for "blue in" released?
The music video was shared on Elsewhere Kikou's official YouTube channel on October 5, 2026, the same day as the digital single release.
Who directed the music video for "blue in"?
The music video was directed by Yukiko Abe and stars Tomoaki Wada and Tamao Hirai.