All Episodes of Blue Box
Browse all episodes of Blue Box
Season 1
8.6/105 votesLoading...Chinatsu Senpai
Season 1 Episode 1 - Aired 10/3/2024
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.
Director: Keiko Oyamada
Writer: Yuko Kakihara
8.0/104 votesLoading...You Have to Go to Nationals
Season 1 Episode 2 - Aired 10/10/2024
Taiki's new housemate quickly makes herself at home. As they grow closer, his attempts to keep the situation a secret cause a misunderstanding.
Director: Hitomi Ezoe
Writer: Yuko Kakihara
7.5/104 votesLoading...Chii
Season 1 Episode 3 - Aired 10/17/2024
Taiki overhears Haryu calling Chinatsu by a special nickname and gets flustered. Will it affect his upcoming match against the upperclassman?
Director: Harume Kosaka
Writer: Yuko Kakihara
7.2/104 votesLoading...If He Wins
Season 1 Episode 4 - Aired 10/24/2024
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.
Director: Masato Kitagawa
Writer: Yuko Kakihara
7.8/104 votesLoading...Aquarium
Season 1 Episode 5 - Aired 10/31/2024
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?
Director: Keiko Oyamada
Writer: Yuko Kakihara
8.5/102 votesLoading...Wish Me Luck
Season 1 Episode 6 - Aired 11/7/2024
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.
Director: Yasuo Tsuchiya
Writer: Yuko Kakihara
8.5/102 votesLoading...Can I Have One?
Season 1 Episode 7 - Aired 11/14/2024
Chinatsu overhears rival players speak poorly about her recent game. Later, Hina playfully steals a bite from Taiki — and Chinatsu notices from afar.
Director: Hitomi Ezoe
Writer: Yuko Kakihara
8.5/102 votesLoading...Score!
Season 1 Episode 8 - Aired 11/21/2024
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.
Director: Shunji Yoshida
Writer: Yuko Kakihara
8.0/102 votesLoading...I'll Be Rooting for You
Season 1 Episode 9 - Aired 11/28/2024
Frustrated with his loss to Sajikawa High, Taiki overworks himself studying for midterms and falls ill, when Chinatsu suddenly appears in his room.
Director: Yuka Yamato
Writer: Yuko Kakihara
6.5/102 votesLoading...It's Not a Good Thing
Season 1 Episode 10 - Aired 12/5/2024
After a sleepless night, Taiki asks Haryu for relationship advice. Later, Chinatsu realizes her recent behavior might hinder her dream and trouble others.
Director: Ryosuke Azuma
Writer: Yuko Kakihara
8.5/102 votesLoading...Uncool!
Season 1 Episode 11 - Aired 12/12/2024
With the annual fireworks festival approaching, Hina musters the courage to invite Taiki, who's been avoiding Chinatsu since their awkward conversation.
Director: Mizuki Iwata
Writer: Yuko Kakihara
8.5/102 votesLoading...Girls...
Season 1 Episode 12 - Aired 12/19/2024
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.
Director: Keiko Oyamada
Writer: Yuko Kakihara
8.0/102 votesLoading...I Want a Back-and-Forth Rally
Season 1 Episode 13 - Aired 1/2/2025
Taiki worries about a potential misunderstanding after Chinatsu departs. At the badminton nationals, he learns more about Karen and Haryu's relationship.
Director: Ryosuke Azuma
Writer: Yuko Kakihara
NaN/100 votesLoading...What's the Connection?
Season 1 Episode 14 - Aired 1/9/2025
While Chinatsu faces immense pressure at the nationals, Hina cheers up a worried Taiki with a game where the loser shares an embarrassing secret.
Director: Hitomi Ezoe
Writer: Yuko Kakihara
NaN/100 votesLoading...August 26
Season 1 Episode 15 - Aired 1/16/2025
Despite it being her birthday, Chinatsu still seems a little down. Taiki takes her somewhere special — but the weather might have other plans.
Director: Takahiro Okawa
Writer: Yuko Kakihara