Blue Box: Season 1 - 25 Episode s
1x1 - Chinatsu Senpai
October 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.
1x2 - You Have to Go to Nationals
October 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.
1x3 - Chii
October 17, 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
October 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.
1x5 - Aquarium
October 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?
1x6 - Wish Me Luck
November 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.
1x7 - Can I Have One?
November 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.
1x8 - Score!
November 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.
1x9 - I'll Be Rooting for You
November 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.
1x10 - It's Not a Good Thing
December 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.
1x11 - Uncool!
December 12, 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...
December 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.
1x13 - Episode 13
January 2, 2025
1x14 - Episode 14
January 9, 2025
1x15 - Episode 15
January 16, 2025
1x16 - Episode 16
January 23, 2025
1x17 - Episode 17
January 30, 2025
1x18 - Episode 18
February 6, 2025
1x19 - Episode 19
February 13, 2025
1x20 - Episode 20
February 20, 2025
1x21 - Episode 21
February 27, 2025
1x22 - Episode 22
March 6, 2025
1x23 - Episode 23
March 13, 2025
1x24 - Episode 24
March 20, 2025
1x25 - Episode 25
March 27, 2025