Blue Box
Blue Box
2024
2 Seasons
8.0
AnimationComedyDrama

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!

Episodes

Chinatsu Senpai
E1Oct 3, 202424m

Chinatsu Senpai

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.

You Have to Go to Nationals
E2Oct 10, 202424m

You Have to Go to Nationals

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

Chii
E3Oct 17, 202424m

Chii

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

If He Wins
E4Oct 24, 202424m

If He Wins

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.

Aquarium
E5Oct 31, 202424m

Aquarium

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?

Wish Me Luck
E6Nov 7, 202424m

Wish Me Luck

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.

Can I Have One?
E7Nov 14, 202424m

Can I Have One?

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

Score!
E8Nov 21, 202424m

Score!

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.

I'll Be Rooting for You
E9Nov 28, 202424m

I'll Be Rooting for You

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

It's Not a Good Thing
E10Dec 5, 202424m

It's Not a Good Thing

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

Uncool!
E11Dec 12, 202424m

Uncool!

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

Girls...
E12Dec 19, 202424m

Girls...

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.

I Want a Back-and-Forth Rally
E13Jan 2, 202524m

I Want a Back-and-Forth Rally

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

What's the Connection?
E14Jan 9, 202524m

What's the Connection?

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

August 26
E15Jan 16, 202524m

August 26

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

Unfair Woman
E16Jan 23, 202524m

Unfair Woman

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

Of Course I Want to See It
E17Jan 30, 202524m

Of Course I Want to See It

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

I Know
E18Feb 6, 202524m

I Know

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

I've Got Plans
E19Feb 13, 202524m

I've Got Plans

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

As One of Her Closest Friends
E20Feb 20, 202524m

As One of Her Closest Friends

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.

A Chance to Blossom
E21Feb 27, 202524m

A Chance to Blossom

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

Inota!
E22Mar 6, 202524m

Inota!

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

Spinning
E23Mar 13, 202524m

Spinning

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.

A Roller Coaster
E24Mar 20, 202524m

A Roller Coaster

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.

Even So
E25Mar 27, 202524m

Even So

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.

Top Cast

Shoya Chiba

Shoya Chiba

Taiki Inomata (voice)

Reina Ueda

Reina Ueda

Chinatsu Kano (voice)

Akari Kito

Akari Kito

Hina Chono (voice)

Chiaki Kobayashi

Chiaki Kobayashi

Kyo Kasahara (voice)

Yuma Uchida

Yuma Uchida

Kengo Haryu (voice)

Shogo Sakata

Shogo Sakata

Ryosuke Nishida (voice)