Last updated: 1 November 2026
Blue Box Season 2 is the second season of the sports romance anime adapted from Kouji Miura's manga. It premiered on 4 October 2026 on TBS, streams worldwide on Netflix, and is planned at 12 episodes. Taiki and Chinatsu's slow-burn story continues under one roof, complicated by the return of Chinatsu's former teammate Yumeka Kido.
About Blue Box Season 2
Taiki Inomata is a badminton player at Eimei, a school famous for sports, and he has a hopeless crush on Chinatsu Kano, the girls' basketball ace a year above him. When Chinatsu's parents move abroad for work, she comes to live at the Inomata family home, and suddenly the girl Taiki admires from afar is at his breakfast table every morning. Season 2 premiered on 4 October 2026 on TBS, with Netflix streaming worldwide. It picks up exactly where Season 1 ended: Taiki on the edge of confessing his feelings, only for the moment to be cut short by the return of Yumeka Kido, Chinatsu's estranged former teammate. Behind the scenes there are changes too. Daisuke Sako takes over as director and Electric Circus replaces Telecom Animation Film as the animation studio, with planning still by UNLIMITED PRODUCE by TMS. The season is planned at 12 episodes. The romance stays gentle and the sports stay serious: every confession is earned through training montages, tournaments and the small daily courage of living under the same roof.
Blue Box Season 2 is a TV anime from 2026, first released in Fall 2026. It belongs to the Romance and Sports genres and is listed as currently airing. The summary above is written by the AnimeYug team in our own words.
Official Trailer
Story & Plot
Blue Box is a story about two kinds of wanting. Taiki wants Chinatsu, and wants just as badly to stand beside her as an athlete, which means reaching the national badminton tournament she already expects to reach in basketball. Chinatsu, quiet and self-contained, is carrying her own pressures: a team that leans on her, a past she does not talk about, and now a housemate whose earnestness keeps getting past her guard.
Season 1 built their slow closeness out of morning practices, shared commutes and one almost-confession after another, with Hina Chono, Taiki's gymnast friend, realising her own feelings too late to keep things simple. Season 2 raises the emotional stakes: Yumeka Kido, who once played beside Chinatsu, returns with unfinished business, and Chinatsu has to decide what her past, her team and Taiki each mean to her.
Nothing here is rushed, and that is the point. Blue Box treats first love the way it treats sport, as something you improve at daily, in small increments, mostly by showing up.
Story Arcs & Episode Guide
The Blue Box Season 2 anime is split into story sagas. Here is every saga in order, with its episodes and years.
| Arc | Episodes | Years | About |
|---|---|---|---|
| Season 1 | Episodes 1–25 | 2024–2025 | Chinatsu moves into Taiki's home; first love and the road to nationals begin. |
| Season 2 | Episodes 26–37 (planned) | 2026 | This season: Yumeka Kido returns, and Taiki and Chinatsu's feelings can no longer be postponed. |
Why Watch Blue Box Season 2
- A romance built from breakfasts, morning practice and almost-confessions, patience as a storytelling style.
- The sports are real: badminton and basketball get proper tactics, training and tournament stakes.
- Season 2's new thread, Chinatsu's past with Yumeka Kido, gives the heroine her deepest arc yet.
- aiko's opening "Anata no Hana no Iro" is a perfect match for the show's soft, bright tone.
- The manga finished in 2026, so the anime is adapting a complete, beloved story.
Who Is It For?
A gentle, family-friendly romance with no fan service or graphic content, just sport, school life and first love. It suits romantics of any age, and sports fans who like their competition grounded and earnest.
Main Characters
View all characters →
Voice Actors
The Japanese voices behind the main characters of Blue Box Season 2.
- Taiki InomataMain character: a hardworking badminton player in love with his housemateJapanese voiceShoya Chiba
- Chinatsu KanoMain character: the girls' basketball ace who comes to live at Taiki's houseJapanese voiceReina Ueda
- Hina ChonoA rhythmic gymnast and Taiki's close friend, whose own feelings complicate everythingJapanese voiceAkari Kito
- Kyo KasaharaTaiki's dry-witted badminton teammate and closest friendJapanese voiceChiaki Kobayashi
- Kengo HaryuTaiki's doubles partner and senior on the badminton teamJapanese voiceYuma Uchida
- Ayame MoriyaHina's friend, a cheerful matchmaker who loves stirring the potJapanese voiceKana Ichinose
- Ryosuke NishidaA senior on the badminton teamJapanese voiceShogo Sakata
- Nagisa FunamiA member of the girls' basketball teamJapanese voiceAnna Nagase
- Niina ShimazakiA rhythmic gymnast alongside HinaJapanese voiceAsaki Yuikawa
- Kazuma MatsuokaA rival badminton player from another schoolJapanese voiceYuki Kaji
- Yumeka KidoChinatsu's estranged former basketball teammate, newly returned in Season 2Japanese voiceYoshino Aoyama
Staff & Production
- Original Creator
- Kouji Miura
- Animation Studio
- Electric Circus (Season 2; Telecom Animation Film on Season 1), planned and produced by UNLIMITED PRODUCE by TMS
- Director
- Daisuke Sako (Season 2); Yuichiro Yano (Season 1)
- Series Composition
- Yuko Kakihara
- Character Design
- Miho Tanino
- Music
- Takashi Omama
Manga & Source Material
Blue Box (Ao no Hako) is Kouji Miura's sports romance manga from Weekly Shonen Jump, a rare mix of shonen sports energy and a slow, sincere love story.
- Written and illustrated by Kouji Miura
- Serialised in Shueisha's Weekly Shonen Jump from 12 April 2021 to 13 July 2026, it began as a 2020 one-shot
- 250 chapters in total; 27 volumes released as of October 2026, with the 28th and final volume due on 4 December 2026
- The manga is complete, and passed 10 million copies in circulation in 2026
- Season 1 of the anime won over romance fans worldwide via Netflix; Season 2 continues the adaptation
Music
Blue Box changes its theme pair every cour. Season 1 opened with Official HIGE DANdism and Macaroni Empitsu; Season 2 hands the opening to aiko, one of Japan's most loved singer-songwriters, and the ending to the duo elsewhere kikou.
Opening Themes
- “Same Blue”by Official HIGE DANdismSeason 1, first cour opening (2024)
- “Saraba”by Macaroni EmpitsuSeason 1, second cour opening (2025)
- “Anata no Hana no Iro”by aikoCurrentSeason 2 opening (2026): this season
Ending Themes
- “Teenage Blue”by EveSeason 1, first cour ending (2024)
- “Contrast”by TomooSeason 1, second cour ending (2025)
- “blue in”by elsewhere kikouCurrentSeason 2 ending (2026): this season
Series Timeline
- 2020
Kouji Miura publishes the Blue Box one-shot in Weekly Shonen Jump.
- 2021
The full manga series begins on 12 April and quickly becomes one of Jump's signature romances.
- 2024
The anime's first season premieres on 3 October on TBS and Netflix.
- 2025
Season 1 ends in March after 25 episodes; Season 2 is announced right after the finale.
- 2026
The manga ends in July after 250 chapters; Season 2 premieres on 4 October.
Release Schedule
- Japanese broadcast
- Sundays at 4:30 p.m. on TBS and 27 affiliated channels
- Premiere
- Sunday 4 October 2026
- Latest episode
- Episode 4, aired Sunday 25 October 2026
- Next episode
- Episode 5 is due Sunday 8 November 2026. The series took a one-week break, with no episode on 1 November
- Streaming
- Netflix streams the season worldwide, with new episodes weekly
- Episode count
- 12 episodes planned
Schedule information as of 2 November 2026. Dates can change, check the official announcements for the latest news.
Quick Answers
Is Blue Box Season 2 finished?
No, not yet. Blue Box Season 2 is currently airing, which means new episodes are still being released.
What genre is Blue Box Season 2?
Blue Box Season 2 is a Romance and Sports anime. You can browse more titles like it on our Romance anime page.
When did Blue Box Season 2 release?
Blue Box Season 2 first released in Fall 2026. It is a TV series.
Do I need to watch Season 1 before Blue Box Season 2?
Yes. Season 2 continues the same slow-burn story and picks up in the middle of Taiki's almost-confession from the Season 1 finale. Season 1 is 25 episodes, all on Netflix, and the watch order on this page shows the path.
How many episodes does Blue Box Season 2 have?
Season 2 is planned at 12 episodes, airing weekly on Sundays from 4 October 2026. That is a shorter run than Season 1, which aired 25 episodes across two cours.
Why did the studio and director change for Blue Box Season 2?
Season 2 moved from Telecom Animation Film to Electric Circus, with Daisuke Sako replacing Yuichiro Yano as director. Series composer Yuko Kakihara and character designer Miho Tanino stayed on, and TMS's UNLIMITED PRODUCE still plans and produces the series, so the look and writing remain consistent.
Is the Blue Box manga finished?
Yes. Kouji Miura's manga ended in Weekly Shonen Jump on 13 July 2026 after 250 chapters. Its 27th volume was released on 2 October 2026, and the 28th and final volume follows on 4 December 2026.
News
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Watch Order
Here is the release order for Blue Box Season 2 and the series connected to it. Start at step 1 and work your way down.
- 1Blue BoxSeason 1 (2024): Taiki and Chinatsu's story begins; start here.
- 2Blue Box Season 2Season 2 (2026): this series; feelings grow complicated.
Where to Watch
Blue Box Season 2 is officially available to stream on these platforms:
Streaming availability changes often and differs by country. Please check the platform in your region.