Unexpectedly Naughty Fukami anime (2025) key visual - Japanese BL by Studio Hokiboshi

Unexpectedly Naughty Fukami (Anime)

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SYNOPSIS

Unexpectedly Naughty Fukami (やたらやらしい深見くん, Yatara Yarashii Fukami-kun) opens inside the private scoring system of a man who believes he has everyone figured out. Kaji Akihiro (Chasuke) is the sales department's ace, admired for his looks and his effortless charm, and quietly rating every colleague on a numerical attractiveness scale that almost nobody clears. Yu Fukami (Marshmallow Yakitaro), the outwardly plain colleague from the IT department, does not register on that scale at all. Kaji has walked past him for months without forming a single opinion worth keeping.

An overnight business trip puts the two of them in the same place after hours, and the version of Fukami who emerges there has nothing to do with the one Kaji has been ignoring. The encounter dismantles Kaji's assumptions about his colleague and, far more uncomfortably, about himself. What starts as physical curiosity hardens into a stubborn, slow-burning attachment between a self-absorbed narcissist and a deceptively striking otaku who is in no hurry to explain himself. The six-minute format keeps that pivot, from cynical office comedy to something genuinely exposed, running through nearly every episode, so the tonal swing works as the series' engine rather than its punchline. With only eight instalments there is little room for anyone else: coworkers exist mostly as the silent audience for Kaji's ratings and as the reason neither man can say plainly at work what is now obvious after hours.

Studio Hōkiboshi produced the anime for AnimeFesta, adapting Ayaka Matsumoto's ongoing manga, serialized on ComicFesta under the Screamo label since December 2022 and collected into four volumes by Suiseisha. Akane Ozora directed, with series composition by Eeyo Kurosaki and character designs by Rena Nasu, and both leads are credited under pseudonyms, as is common in Japanese BL anime voice casting. The eight episodes aired from March 14 to June 9, 2025 in two forms: the AnimeFesta exclusive carries the streaming edition, which runs longer than the broadcast version, while Tokyo MX and BS11 broadcast a standard, broadcast-safe cut that is also available on U-NEXT and Apple TV+. An English simuldub from Ascendent Animation premiered via OceanVeil on April 6, 2025, the same week as the Japanese run. Arriving a full year before the 2026 live-action drama drawn from the same manga, this is the franchise's first screen version and its most compressed, built as a fast introduction rather than a replacement for the source.

CONTENT DETAILS

Native Title
やたらやらしい深見くん
Original Title
Unexpectedly Naughty Fukami
Also Known As
やたらやらしい深見くん, Yatara Yarashii Fukami-kun, Yatara Yarashi Fukami-kun, Yatarayarashii Fukamikun, Unexpectedly Naughty Fukami, Unexpectedly Naughty Fukami-kun, Unexpectedly Naughty Fukami (Anime), Naughty Fukami, Fukami-kun, Fukami-kun Anime, UNF Anime
Adaptation
Unexpectedly Naughty Fukami is adapted from Ayaka Matsumoto's ongoing BL manga of the same name, serialized digitally on ComicFesta under the Screamo label since December 7, 2022 and collected into four volumes by Suiseisha. This 2025 series is the franchise's first screen adaptation, arriving a year before a 2026 live-action drama that adapts the same source material with a different cast and director.
Themes
Key Themes
Workplace RomanceOffice BLShort-Form AnimeSlow BurnEnemies To LoversHidden PersonalityBusiness TripSalaryman RomanceManga AdaptationJapanese BLFranchise AdaptationExtended Streaming EditionAnimeFesta Exclusive
Country
Language
Japanese
Director
Akane Ozora
Producer
Goto Reiga
Screenwriter
Eeyo Kurosaki
Original Author
Ayaka Matsumoto
Seasons
1
Episodes
8
Duration
6 min
Aired Start
Aired End
Release Year
Content Rating
MA
Production Co

WATCH ON

U-NEXTApple TV

KEY TAKEAWAYS

  • Unexpectedly Naughty Fukami (2025) is the first screen adaptation of Ayaka Matsumoto’s ongoing BL manga, produced by Studio Hōkiboshi for AnimeFesta.
  • Eight short episodes of about six minutes each, airing March 14 to June 9, 2025.
  • Follows sales ace Kaji Akihiro and IT colleague Yu Fukami in a workplace enemies-to-lovers romance sparked by an overnight business trip.
  • Directed by Akane Ozora, with series composition by Eeyo Kurosaki and character designs by Rena Nasu.
  • Voiced by Chasuke and Marshmallow Yakitaro, credited under pseudonyms as is common for Japanese BL anime in the mature-rated category.
  • Two editions exist: the extended streaming edition exclusive to AnimeFesta, which runs longer than the broadcast version, and a standard broadcast-safe version on Tokyo MX and BS11.
  • English simuldub by Ascendent Animation streamed via OceanVeil from April 6, 2025, the same week as the Japanese premiere.
  • Premiered a full year before the 2026 live-action drama, making it the franchise’s first-ever screen adaptation.
  • Also available on U-NEXT and Apple TV+ for viewers seeking a standard, general-audience cut.
  • Best watched as a companion piece to the ongoing manga, since the compressed six-minute format leaves limited room for secondary character development.

EDITOR’S VERDICT

7/10

The 2025 anime adaptation of Unexpectedly Naughty Fukami was my first exposure to this franchise, and as a bite-sized AnimeFesta original it does exactly what it sets out to do: distill Ayaka Matsumoto's manga into eight brisk episodes that hit the story's key beats without lingering.

What It Is

Studio Hōkiboshi's eight episodes, each around six minutes, follow the same setup that would later anchor the 2026 live-action drama: a self-absorbed sales ace who silently rates his coworkers, paired on a business trip with the deceptively plain colleague who upends his worldview. Director Akane Ozora and series composition writer Eeyo Kurosaki keep the pacing tight, leaning on Rena Nasu’s character designs to sell the tonal whiplash between office comedy and after-hours intensity in a fraction of the runtime a full-length series would use.

Voice work from Chasuke and Marshmallow Yakitaro, both credited under pseudonyms, carries real chemistry despite the compressed format. The series is listed by the publisher under its highest age rating, and the AnimeFesta edition is the streaming edition, which runs longer than the broadcast version; it runs alongside the separate, broadcast-safe edit that airs on Tokyo MX and BS11 for general audiences.

What Works

  • Efficient pacing: six-minute episodes never overstay their welcome and move the Kaji-Fukami dynamic forward every time.
  • Faithful tone: the anime preserves the manga's signature pivot from cynical comedy to genuine vulnerability.
  • Simulcast reach: a same-week English dub via OceanVeil gave international fans day-and-date access alongside the Japanese broadcast.

Where It Could Stretch

Eight six-minute episodes simply cannot carry the emotional weight the ongoing manga has room to build. This plays best as a companion piece rather than a substitute for the source material, and viewers wanting deeper characterization should expect to supplement it with the manga or the fuller 2026 live-action drama.

Final Score: 7/10

OFFICIAL TRAILER

OFFICIAL OST

EPISODE SCHEDULE

8 / 8 episodes aired · Completed
EP 1
07 Apr 2025
Aired
EP 2
14 Apr 2025
Aired
EP 3
21 Apr 2025
Aired
EP 4
28 Apr 2025
Aired
EP 5
05 May 2025
Aired
EP 6
19 May 2025
Aired
EP 7
02 Jun 2025
Aired
EP 8
09 Jun 2025
Aired

FREQUENTLY ASKED QUESTIONS

What is Unexpectedly Naughty Fukami (anime)?

It is the 2025 eight-episode Japanese BL anime adaptation of Ayaka Matsumoto's ongoing manga, produced by Studio Hōkiboshi for AnimeFesta. It is the franchise's first-ever screen adaptation, arriving a year before the 2026 live-action drama.

How is the anime different from the live-action drama?

The anime is a 2025 short-form animation with eight episodes of about six minutes each, directed by Akane Ozora. The 2026 live-action drama runs about 13 minutes per episode with a different cast and director, Emiko Shirai, though both adapt the same source manga.

How many episodes does the anime have?

The anime has eight short episodes, each about six minutes long, airing weekly from March 14 to June 9, 2025.

Is the anime finished?

Yes. All eight episodes aired between March and June 2025, and no second season had been announced as of this writing.

Who are the main characters in the anime?

The two leads are Kaji Akihiro, a sales ace who secretly rates his coworkers on attractiveness, and Yu Fukami, his outwardly plain IT-department colleague who turns out to be far more than he first appears.

Who voices the characters in Unexpectedly Naughty Fukami?

Kaji Akihiro is voiced by Chasuke and Yu Fukami by Marshmallow Yakitaro, both credited under pseudonyms, a common practice in the voice casting of Japanese BL anime in the mature-rated category.

Who directed the anime?

The anime is directed by Akane Ozora, with series composition by Eeyo Kurosaki and character designs by Rena Nasu, produced by Studio Hōkiboshi.

Where can I watch the anime legally?

The anime streamed as an AnimeFesta exclusive in Japan, with a standard broadcast-safe cut on Tokyo MX and BS11. It is also available on U-NEXT and Apple TV+, and an English simuldub streamed via OceanVeil.

Is there an English dub of the anime?

Yes. An English-language simuldub produced by Ascendent Animation premiered via OceanVeil on April 6, 2025, the same week as the Japanese broadcast.

Is the anime based on a manga?

Yes. It adapts Ayaka Matsumoto's ongoing BL manga of the same name, serialized on ComicFesta under the Screamo label since December 7, 2022 and collected into four volumes by Suiseisha.

Is there an extended streaming edition?

Yes. AnimeFesta carries the extended streaming edition, which runs longer than the broadcast version, while Tokyo MX and BS11 air a standard, broadcast-safe edit intended for general television audiences.

How long is each episode of the anime?

Each episode runs approximately six minutes, a short-form format typical of AnimeFesta's slate of mature-rated BL anime.

Is Unexpectedly Naughty Fukami a BL anime?

Yes. It is officially a BL (Boys' Love) anime adapted from a Japanese manga, centered on the romance between Kaji Akihiro and Yu Fukami alongside workplace comedy.

What is the difference between the manga, anime, and live-action drama?

The manga (2022-present) is Ayaka Matsumoto's original ongoing source. The 2025 anime is a short-form, roughly six-minute-per-episode adaptation by Studio Hōkiboshi. The 2026 live-action drama runs longer per episode and is the franchise's first in-person screen version, directed by Emiko Shirai.

Will there be a second season of the anime?

No second season of the anime had been announced as of this writing. The franchise's most recent screen adaptation is the 2026 live-action drama, which shares the same source manga.

How does the anime compare to the manga?

The anime compresses the manga's slower-burn office romance into eight brief episodes, hitting the same key story beats with less room for secondary character development than the ongoing print series.

Is the anime worth watching?

For fans of short-form Japanese BL anime and viewers curious about the franchise before committing to the manga or the 2026 live-action drama, the anime is a fast, faithful introduction to Kaji and Fukami's dynamic.

What language is the anime in?

The anime is produced in Japanese, with the native title やたらやらしい深見くん (Yatara Yarashii Fukami-kun). An official English dub is available via OceanVeil.

When did the anime premiere?

The anime premiered on March 14, 2025 as an AnimeFesta exclusive, with the standard broadcast version following on Tokyo MX and BS11 shortly after, and concluded its eight-episode run on June 9, 2025.

Who produced the anime?

The anime was produced by Studio Hōkiboshi for AnimeFesta, a service operated by WWWave Corporation, the same company behind the ComicFesta platform that serializes the source manga.

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