Blue Box Season 1 poster

Blue Box

Season 1

37 episodes · premiered Oct 3, 2024

Where to watch Blue Box

  1. E1 Chinatsu Senpai

    Oct 3, 2024 · 24m

    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.

  2. E2 You Have to Go to Nationals

    Oct 10, 2024 · 24m

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

  3. E3 Chii

    Oct 17, 2024 · 24m

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

  4. E4 If He Wins

    Oct 24, 2024 · 24m

    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.

  5. E5 Aquarium

    Oct 31, 2024 · 24m

    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?

  6. E6 Wish Me Luck

    Nov 7, 2024 · 24m

    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.

  7. E7 Can I Have One?

    Nov 14, 2024 · 24m

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

  8. E8 Score!

    Nov 21, 2024 · 24m

    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.

  9. E9 I'll Be Rooting for You

    Nov 28, 2024 · 24m

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

  10. E10 It's Not a Good Thing

    Dec 5, 2024 · 24m

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

  11. E11 Uncool!

    Dec 12, 2024 · 24m

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

  12. E12 Girls...

    Dec 19, 2024 · 24m

    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.

  13. E13 I Want a Back-and-Forth Rally

    Jan 2, 2025 · 24m

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

  14. E14 What's the Connection?

    Jan 9, 2025 · 24m

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

  15. E15 August 26

    Jan 16, 2025 · 24m

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

  16. E16 Unfair Woman

    Jan 23, 2025 · 24m

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

  17. E17 Of Course I Want to See It

    Jan 30, 2025 · 24m

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

  18. E18 I Know

    Feb 6, 2025 · 24m

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

  19. E19 I've Got Plans

    Feb 13, 2025 · 24m

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

  20. E20 As One of Her Closest Friends

    Feb 20, 2025 · 24m

    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.

  21. E21 A Chance to Blossom

    Feb 27, 2025 · 24m

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

  22. E22 Inota!

    Mar 6, 2025 · 24m

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

  23. E23 Spinning

    Mar 13, 2025 · 24m

    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.

  24. E24 A Roller Coaster

    Mar 20, 2025 · 24m

    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.

  25. E25 Even So

    Mar 27, 2025 · 24m

    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.

  26. E26 Déjà Vu

    Oct 4, 2026 · 24m

    Taiki and Chinatsu's outing kicks off at a sports shop. But when an uninvited guest crashes their cafe plans, Taiki hears a name he won't soon forget.

  27. E27 Admiration

    Oct 11, 2026 · 24m

    After a tense run-in with Yumeka, Chinatsu opens up about their past on the train ride home. Taiki sets out to learn what tore apart their friendship.

  28. E28 They're One and the Same

    Oct 18, 2026 · 24m

    Yumeka snaps at Taiki for overstepping while a teammate's harsh words stir up old memories for Chinatsu. Later, a chance encounter catches her off guard.

  29. E29 Love Is the Most Powerful Feeling

    Oct 25, 2026 · 24m

    Chinatsu walks away, leaving Yumeka to confront her true feelings. Middle school memories come flooding back, revealing how her love for basketball faded.

  30. E30 Episode 30

    Nov 8, 2026

  31. E31 Episode 31

    Nov 15, 2026

  32. E32 Episode 32

    Nov 22, 2026

  33. E33 Episode 33

    Nov 29, 2026

  34. E34 Episode 34

    Dec 6, 2026

  35. E35 Episode 35

    Dec 13, 2026

  36. E36 Episode 36

    Dec 20, 2026

  37. E37 Episode 37

    Dec 27, 2026