Blue Box

1x1
Chinatsu Senpai
Episode overview

04, 2024

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.

1x2
You Have to Go to Nationals
Episode overview

11, 2024

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

1x3
Chii
Episode overview

18, 2024

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

1x4
If He Wins
Episode overview

25, 2024

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.

1x5
Aquarium
Episode overview

01, 2024

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?

1x6
Wish Me Luck
Episode overview

08, 2024

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.

1x7
Can I Have One?
Episode overview

15, 2024

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

1x8
Score!
Episode overview

22, 2024

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.

1x9
I'll Be Rooting for You
Episode overview

29, 2024

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

1x10
It's Not a Good Thing
Episode overview

06, 2024

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

1x11
Uncool!
Episode overview

13, 2024

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

1x12
Girls...
Episode overview

20, 2024

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.

1x13
I Want a Back-and-Forth Rally
Episode overview

03, 2025