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The story
Masakazu Katsura, the manga artist known for works like “Video Girl Ai” and “I”s,” has announced the release of an art book themed entirely around women’s “butts,” titled “Positive Sensitive: Masakazu Katsura Butt Art Collection,” on December 10. The collection features a total of 120 butts, and pre-orders have already opened. It’s said to be a response to years of him posting butt illustrations on social media. On 5ch, opinions were split — some reminisced fondly about iconic scenes from his classic works and praised his draftsmanship, while others brought up past tracing controversies involving other artists and revived suspicions of tracing.
2026-09-18
Manga artist Masakazu Katsura, known for works like “Video Girl Ai,” “I”s,” and “Wingman,” has announced he will release “Positive Sensitive: Masakazu Katsura Butt Art Collection,” a collection focused entirely on “butts,” on December 10. Pre-orders are already open, and a surprising blurb accompanied the announcement.
Katsura regularly posts illustrations on X, and has recently caused a stir by continuously posting illustrations of beautiful women’s butts. Amid this, he wrote: “So, after years of drawing and stockpiling butt illustrations, they’re finally becoming an art book. A total of 120 butts. Please check it out!! Pre-orders are open right now.”
Source: oricon.co.jp / Original article here
What people said
when an old internet in-joke gets acted out for real, it just kills the vibe
Just ignore the noise
"Shiri" (butt)… Masakazu Katsura
"Ketsu" (ass)… Tetsuo Hara
or so he says
What about Buichi Terasawa?
True, if it were us it'd just be perverted
This guy's a genius-level pervert
I feel zero appeal from the butt in Re: #1
So true. Back in the day, that butt-and-panties art was incredible.
he was great at building atmosphere through the whole process leading up to that shot
but this just feels like cherry-picking the butt alone
what matters is what kind of girl, in what kind of situation, ends up showing her butt
that whole careful build-up, like reading ahead in a shogi match, is what mattered
Damn, you really get it, you filthy pervert
Exactly, exactly
Just having the butt alone doesn't cut it
I can practically feel how worked up you are right now
If he hadn't gone to Jump right off the bat, he might've ended up doing character designs for eroge somewhere down the line
Even assuming it was traced — sure, maybe nowadays, but back then, that well-crafted butt art
you can't even tell what he could have possibly traced it from
photo books of butts back then just weren't that good
On Kazu's show recently they even brought it up: "You draw wrinkles that couldn't actually happen in real life, right? Is that from imagination?"
https://livedoor.blogimg.jp/copipe_hozondojo/imgs/8/c/8c8f52a7.jpg
Isn't Katsura-sensei's actually the older one?
Reality has lost.
Honestly, the drawing's better 💦
The scene where he holds out a bucket to a girl who needs to pee
That warped my fetishes
Also I was impressed my IME could even convert "Video Girl Ai" properly
It came up in predictive text under "Video Girl" too
Wasn't that scene not even in the actual comic volumes?
I only remember it from elementary school so I'm not sure
https://pbs.twimg.com/media/D5Ksj5JU4AA-t9r.jpg
Background and Discussion Points
Masakazu Katsura is a manga artist well known for his depictions of women’s underwear and butts in works like “Wingman,” “Video Girl Ai,” and “I”s,” and this art book compiles that accumulated body of work. In the thread, many comments praised his skill in drawing “butts” not as crude jokes but as something built through situation and psychological depiction, while other comments raised unfounded suspicions of tracing, drawing on past incidents where other manga artists faced tracing controversies. It should be noted that nothing in the source material for this article confirms that Katsura himself or this art book actually involved tracing — that remains purely speculation from some users.
※This article is excerpted and summarized from the 5ch (Geinou/Sports News+) thread “Manga artist Masakazu Katsura’s shocking “butt” art book announced — Enako, Mariya Ise, Moe Iori… “Many works based on real-life models”” thread.
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