Blue Box

Ao no Hako

アオのハコ

Other names 6

Chinese: 青之箱
Also known as: الصندوق الأزرق
Also known as: 푸른 상자
Also known as: La caja azul
Also known as: กล่องรักวัยใส
Also known as: Niebieskie pudełko

Overall score 7.7/10

Fall 2024#2

Overall score Rating & Reviews

25 eps · FinishedONA

Telecom Animation FilmManga adaptationPremiered Oct 3, 202424 min per episodeSee series

Where to Watch

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Where to Watch

Blue Box7.7Where to Watch

Overview

Spoiler-free synopsis

Do these sports-crossed lovers have a chance? 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!

The percentage after a tag is its relevance to this title. 2 more tags that may contain spoilers are hidden; you can reveal them under Viewing notes.

Details

Format: ONA · 25 episodes · 24 min per episode
Status: Finished
Aired: Oct 3, 2024 – Mar 20, 2025
Studio: Telecom Animation Film, TMS Entertainment (assisting)
Source: Manga adaptation
Season: Fall 2024
Categories: Romance School Slice of Life Sports Male-Oriented
Official site: aonohako-anime.com (opens in a new window)

Ranking positions

Fall 2024 ranking →

Rank in each ranking
Ranking	Overall	Sports	Romance	School	Slice of Life	Male-Oriented
Fall 2024	#2	#1	#2	#2	#2	#2
2024	#2	#1	#2	#2	#2	#2
All-time	#66	#6	#18	#16	#19	#43

Rating & Reviews

Overall score7.7/10Used for ranking

Positive51%182 analyzed comments

The overall score combines site ratings, comment sentiment and AniRanking votes. The positive rate is the share of analyzed comments classified as positive.

Very positive 41
Positive 51
Mixed 42
Negative 43
Very negative 5

182 comments analyzed: AniList Forum 40 · bilibili 39 · MyAnimeList Forum 39 · Bangumi 37 · Kitsu 21 · AniList 6

Rating sources & calculation

Updated Oct 12, 2026, 05:59 · About scores

The sentiment score is 6.7/10: AI analyzes comment sentiment, with a conservative adjustment for small samples. It is neither a direct audience rating nor the ranking score. The overall score uses the calibrated raw comment mean; its share is shown below.

Score breakdown

Site scores7.9773%Consensus of 231.2K site votes (calibrated to one scale and shrunk toward the global baseline by vote count)
Fan sentiment7.0127%142.5 comments, average 5.91 (the sentiment score shown, 6.7, is also shrunk toward neutral), calibrated against comparable titles to 7.01
CommunityNot counted0%No ratings yet (each rating counts as one vote)

Site scores

Raw → calibrated to one scale

Site scores: raw score, votes, calibrated score
Site	Raw score	Votes	Calibrated
AniList (external link, opens in a new window)Reference site	81/100	50.8K votes	8.1
MyAnimeList (external link, opens in a new window)Calibrated to the AniList scale	8.2/10	170.1K votes	8.1
Bangumi (external link, opens in a new window)Calibrated to the AniList scale	6.8/10	6,677 votes	7.7
bilibili (external link, opens in a new window)Calibrated to the AniList scale	9.4/10	3,597 votes	7.7

What people sayAI sentiment analysis

English audience score 7.9 · 221,060 samples

Positive33 found this helpful
even blind people knows its coming lmao , anyway i am always team chinatsu . i hope season 2 comes fast , maybe 2026
gojobot8AniList ForumMar 14, 2025Original (AniList Forum, opens in a new window)
Negative105 found this helpful
The Japanese obsession with making best girls side characters needs to be studied
Tokarski2137AniList ForumMar 14, 2025Original (AniList Forum, opens in a new window)
Positive30 found this helpful
They definitely did a good job conveying how this kind of thing would go down very realistically. Rip Hina shippers.
nekketsuAniList ForumMar 14, 2025Original (AniList Forum, opens in a new window)
Negative61 found this helpful
To the guy from the last episode's thread who said, 'You're going to love next week's episode as a Hina fan' to me—my hate for you is…
TodayiAteMyCatAniList ForumMar 14, 2025Original (AniList Forum, opens in a new window)
Very positiveAuthor's score 8.021 found this helpful
Not your typical Shounen romance—but a grounded love story that tingles the heart Lately, there is an abundance of romance anime with…
melamunaAniListMar 21, 2025Original (AniList, opens in a new window)
Negative4 found this helpful
Good production but the glacial pace romance and lack of sport focus made watching this very tedious
shazbotianKitsuOct 20, 2025Original (Kitsu, opens in a new window)

Production

AniList · Wikidata

Source: Manga adaptation
Studio: Telecom Animation Film, TMS Entertainment (Wikipedia · English) (assisting)

Sequels

Sequel
Blue Box Season 2
Genres: RomanceSlice of Life
Overall score: 7.5

Official & News

Official links · Anime News Network

Official links

Official siteaonohako-anime.com
Official X (Twitter)@aonohako_PR

Mood & content

Source: No data yetConfidence: no data yet

0 = barely any, 10 = very pronounced. Values measure how much, not how good, and different viewers feel the same show differently. “No data yet” means the item hasn't been assessed yet, not that it's absent.

Mood

Light
Exciting
Heavy

No mood profile yet

Light

RelaxingNo data yet. Easy to watch, low effort
HealingNo data yet. Gentle and comforting
FunnyNo data yet. Density of laughs
HeartwarmingNo data yet. Warmth from relationships

Exciting

HypeNo data yet. Adrenaline and excitement
TenseNo data yet. Suspense and tension

Heavy

OppressiveNo data yet. Heavy, stifling atmosphere
DarkNo data yet. Darkness of setting and themes
SadNo data yet. Share of sad moments
BleakNo data yet. Likelihood of a lingering low mood

Emotional intensityNo data yet

Emotional intensity measures how strong the ups and downs are, happy or sad.

Content

Higher = more of it

Themes

Action
No data yet. Share of fights and action
Romance
No data yet. Weight of romance plotlines
Slice of life
No data yet. Share of everyday-life episodes
Harem
No data yet. Harem dynamics around the lead

Sensitive content· may be upsetting; judge by your own comfort level

Fan service
No data yet. Suggestive shots and fan service
Violence
No data yet. Intensity of violence
Gore
No data yet. Blood and graphic injury
Character death
No data yet. Likelihood of major character deaths
Horror
No data yet. Scares and horror
Psychological stress
No data yet. Mental torment and anxiety
Betrayal
No data yet. Betrayal plotlines
Heartbreak
No data yet. Deliberately heart-wrenching arcs

Style

ComplexityNo data yet
(0 = Easy to follow, 10 = Mind-bending). Plot complexity and density
PacingNo data yet
(0 = Slow burn, 10 = Fast-paced). 0 = slow burn, 10 = fast-paced
World-buildingNo data yet
(0 = Simple, 10 = Vast and deep). Depth of the setting

Viewing notes

Spoiler-free by default

No spoiler-free viewing notes yet.

Blue Box

Overview

Genres & tags

Details

Ranking positions

Rating & Reviews

Score breakdowniThe three parts are weighted in “virtual votes”: the more site votes and analyzed comments, the more weight that part gets. Fan sentiment is capped at 35%, and each AniRanking rating counts as one vote. Full rules

What people sayAI sentiment analysis

Production

Sequels

Official & News

Official links

Mood & content

Mood

Light

Exciting

Heavy

Content

Themes

Sensitive content· may be upsetting; judge by your own comfort level

Style

Viewing notes

Related

🏀 Sports ranking · Fall 2024

Blue Box

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Score breakdown

Sports ranking · Fall 2024