The Blue Box (Ao no Hako) Season 2 trailer dropped on August 26, and it came loaded: a firm premiere date, a studio change, and both theme songs. Kouji Miura's high-school romance returns October 4, 2026 on TBS and 27 affiliated channels, with Netflix carrying it worldwide.
Quick answer
Blue Box (Ao no Hako) Season 2 premieres October 4, 2026 on TBS and its affiliates, streaming on Netflix worldwide. Electric Circus takes over animation duties from Telecom Animation Film, with Daisuke Sakou now directing; Yuuko Kakihara stays on series composition and Miho Tanino keeps the character designs. The opening theme is "Anata no Hana no Iro" by aiko and the ending is "blue in" by elsewhere kikou. According to SenpaiRanks, the first season holds an 8.01 Consensus score — the top tier of its 2024 cohort — so the sequel arrives with real momentum behind it.
The setup
If you skipped the first cour: Taiki Inomata plays badminton, Chinatsu Kano plays basketball, and the two share a roof after Chinatsu moves in with Taiki's family. It's a slow-burn sports romance that lives on small gestures — early-morning practice, borrowed umbrellas, the space between "senpai" and something more. Season 1 covered 25 episodes; Season 2 picks up as the training camp and the couple's dynamics start to shift.
Who's making it now
The headline production note is the studio handoff. Telecom Animation Film built the look of Season 1; Electric Circus inherits it for Season 2, with Daisuke Sakou stepping in as director. The continuity hires matter here — keeping Kakihara on scripts and Tanino on character designs is what should preserve the soft, grounded feel fans signed up for, even with new hands on the animation. The source manga, by Kouji Miura, wrapped its run on July 13, 2026, so the anime now has a complete story to adapt from.
Where to watch
Blue Box Season 2 streams on Netflix globally, day-and-date with the Japanese TBS broadcast starting October 4, 2026. That's the platform-neutral read: no Crunchyroll exclusive, no HiDive split — one subscription covers it. If you need to catch up, Season 1 also lives on Netflix.
Is it worth a slot?
Per SenpaiRanks's ranking board, Blue Box's first season lands in the upper tier of recent romance — an 8.01 Consensus built on broad likability rather than a niche spike. That's the profile of a show that travels well: sports fans, romance fans, and slice-of-life watchers all find a foothold. If you want to see where your own read lands versus the crowd, rate Season 1 on its ranking page — that vote is what moves the board.
For the wider slate, see our what to watch in Fall 2026 guide and the best Fall 2026 anime, ranked. Romance-first viewers can also browse the best romance anime ranked, and if you missed it, the manga's finale is covered in our Blue Box manga ending explainer. Season 2's catalog page is already live at /anime/5264fedd-ea8d-4bf8-8a8e-7b446e75c8a5.
Frequently asked questions
Q: When does Blue Box Season 2 come out?
A: October 4, 2026, on TBS and 27 affiliated channels in Japan, with Netflix streaming worldwide the same day.
Q: Where can I watch Blue Box Season 2?
A: Netflix carries both seasons globally. There is no Crunchyroll or HiDive exclusive for Season 2.
Q: Who is animating Blue Box Season 2?
A: Electric Circus, taking over from Telecom Animation Film, with Daisuke Sakou directing. Yuuko Kakihara (series composition) and Miho Tanino (character designer) return.
Q: What are the Blue Box Season 2 theme songs?
A: The opening is "Anata no Hana no Iro" by aiko and the ending is "blue in" by elsewhere kikou.
Q: Is Blue Box good?
A: On SenpaiRanks, Season 1 holds an 8.01 Consensus score, placing it in the upper tier of recent romance anime — broadly liked rather than divisive.
Q: Is the Blue Box manga finished?
A: Yes. Kouji Miura's manga concluded on July 13, 2026, so Season 2 adapts from a completed story.