Blue Box

8.0
202425m

Production

Logo for Telecom Animation Film
Logo for UNLIMITED PRODUCE by TMS

Taiki Inomata loves badminton, but he has a long way to go before he can reach nationals. When Taiki sees upperclassman Chinatsu Kano practicing her heart out on the girls’ basketball team, he falls for her hard. After an unexpected turn of events brings the two closer together, sports might not be the first thing on their minds anymore!

Trailers & Videos

Thumbnail for video: Official Trailer [Subtitled]

Official Trailer [Subtitled]

Thumbnail for video: Official Teaser Trailer 2 [English Sub]

Official Teaser Trailer 2 [English Sub]

Thumbnail for video: Official Teaser Trailer 1 [English Sub]

Official Teaser Trailer 1 [English Sub]

Seasons

25 Episodes • Premiered 2024

Still image for Blue Box season 1 episode 1: Chinatsu Senpai

1. Chinatsu Senpai

8.7

Despite a few heart-fluttering encounters, Taiki doubts his crush Chinatsu even knows his name. Later, shocking news forces him to make a bold move.

Still image for Blue Box season 1 episode 2: You Have to Go to Nationals

2. You Have to Go to Nationals

8.0

Taiki's new housemate quickly makes herself at home. As they grow closer, his attempts to keep the situation a secret cause a misunderstanding.

Still image for Blue Box season 1 episode 3: Chii

3. Chii

7.6

Taiki overhears Haryu calling Chinatsu by a special nickname and gets flustered. Will it affect his upcoming match against the upperclassman?

Still image for Blue Box season 1 episode 4: If He Wins

4. If He Wins

7.4

A gym uniform mix-up leads to a heart-pounding exchange. Later, Haryu raises the stakes for Taiki’s match, while Kyo makes a secret request to Chinatsu.

Still image for Blue Box season 1 episode 5: Aquarium

5. Aquarium

7.8

With both players going neck and neck on the court, will Taiki win his match against Kishi — and will Chinatsu invite him to the aquarium?

Still image for Blue Box season 1 episode 6: Wish Me Luck

6. Wish Me Luck

8.5

On her way to return Chinatsu's mobile phone, Hina makes a shocking discovery. The gymnast faces mounting pressure while struggling with her new feelings.

Still image for Blue Box season 1 episode 7: Can I Have One?

7. Can I Have One?

8.5

Chinatsu overhears rival players speak poorly about her recent game. Later, Hina playfully steals a bite from Taiki — and Chinatsu notices from afar.

Still image for Blue Box season 1 episode 8: Score!

8. Score!

8.5

As Taiki strives to make it to the nationals, Chinatsu gives him a word of encouragement. Later, Haryu and Taiki face top players in the doubles match.

Still image for Blue Box season 1 episode 9: I'll Be Rooting for You

9. I'll Be Rooting for You

8.3

Frustrated with his loss to Sajikawa High, Taiki overworks himself studying for midterms and falls ill, when Chinatsu suddenly appears in his room.

Still image for Blue Box season 1 episode 10: It's Not a Good Thing

10. It's Not a Good Thing

7.0

After a sleepless night, Taiki asks Haryu for relationship advice. Later, Chinatsu realizes her recent behavior might hinder her dream and trouble others.

Still image for Blue Box season 1 episode 11: Uncool!

11. Uncool!

8.3

With the annual fireworks festival approaching, Hina musters the courage to invite Taiki, who's been avoiding Chinatsu since their awkward conversation.

Still image for Blue Box season 1 episode 12: Girls...

12. Girls...

8.3

Taiki attends the fireworks festival with Hina and is surprised by her new look and shyness. Later, he unexpectedly bumps into Chinatsu with a lost child.

Still image for Blue Box season 1 episode 13: I Want a Back-and-Forth Rally

13. I Want a Back-and-Forth Rally

8.0

Taiki worries about a potential misunderstanding after Chinatsu departs. At the badminton nationals, he learns more about Karen and Haryu's relationship.

Still image for Blue Box season 1 episode 14: What's the Connection?

14. What's the Connection?

8.0

While Chinatsu faces immense pressure at the nationals, Hina cheers up a worried Taiki with a game where the loser shares an embarrassing secret.

Still image for Blue Box season 1 episode 15: August 26

15. August 26

8.5

Despite it being her birthday, Chinatsu still seems a little down. Taiki takes her somewhere special — but the weather might have other plans.

Still image for Blue Box season 1 episode 16: Unfair Woman

16. Unfair Woman

8.0

As a new school term begins, the school buzzes with preparations for the upcoming festival. Chinatsu reflects on her restless feelings towards Taiki.

Still image for Blue Box season 1 episode 17: Of Course I Want to See It

17. Of Course I Want to See It

7.5

Upon learning of an upcoming practice match with Sajikawa High, Taiki worries about facing Yusa gain. Chinatsu and Hina promise their support.

Still image for Blue Box season 1 episode 18: I Know

18. I Know

7.5

Sajikawa High arrives for the much-anticipated practice match. As Chinatsu watches from the sidelines, she thinks about how far Taiki has come.

Still image for Blue Box season 1 episode 19: I've Got Plans

19. I've Got Plans

8.0

Just before the school festival starts, Taiki goes for his usual morning jog and finds Chinatsu practicing nearby. She extends a surprising invitation.

Still image for Blue Box season 1 episode 20: As One of Her Closest Friends

20. As One of Her Closest Friends

7.5

After a blissful time with Chinatsu, Nishida's ominous fortune comes true! His classmate playing the prince can't perform, so Taiki must take on the role.

Still image for Blue Box season 1 episode 21: A Chance to Blossom

21. A Chance to Blossom

6.0

While rumors swirl around Taiki and Hina, Chinatsu seems unfazed. However, while spending the night at Karen's, the basketballer shares her true thoughts.

Still image for Blue Box season 1 episode 22: Inota!

22. Inota!

7.5

After learning about Hina's unrequited feelings for Taiki, Ayame decides to help — and the perfect chance arises at the upcoming autumn training camp!

Still image for Blue Box season 1 episode 23: Spinning

23. Spinning

7.0

An exciting card game with friends leaves Taiki's head spinning. He mulls over his feelings for Chinatsu and Hina as the training camp continues.

Still image for Blue Box season 1 episode 24: A Roller Coaster

24. A Roller Coaster

7.0

Hina experiences a roller coaster of emotions over her affection for Taiki and, thanks to Ayame, gets a chance to be alone with him on the last night.

Still image for Blue Box season 1 episode 25: Even So

25. Even So

6.0

Ayame faces the consequences of her meddling and tries all sorts of ways to console Hina. Meanwhile, Taiki strengthens his resolve and asks Chinatsu out.

Cast

Photo of Shoya Chiba

Shoya Chiba

Taiki Inomata (voice)

Photo of Reina Ueda

Reina Ueda

Chinatsu Kano (voice)

Photo of Akari Kito

Akari Kito

Hina Chono (voice)

Photo of Chiaki Kobayashi

Chiaki Kobayashi

Kyo Kasahara (voice)

Photo of Yuma Uchida

Yuma Uchida

Kengo Haryu (voice)

Photo of Shogo Sakata

Shogo Sakata

Ryosuke Nishida (voice)

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