Creators & Cosplay

Masakazu Katsura’s Positive Sensitive Artbook Features Enako, Mariya Ise and Moe Iori

The 148-page illustration collection arrives December 10, with retailer-specific artwork bonuses and separate lotteries for signed books and a Tokyo signing event.

Cover of Masakazu Katsura’s Positive Sensitive artbook, with black lettering on white and an illustration of shorts over dark tights with a paw-shaped opening.
— Illustration and cover artwork: Masakazu Katsura / Genkosha, supplied via PR TIMES
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Masakazu Katsura has selected newly drawn illustrations for Positive Sensitive: Masakazu Katsura Oshiri Gashu, a collection devoted to his depictions of hips and buttocks. Genkosha will release the B5, 148-page print artbook on December 10, 2026, priced at ¥3,960 including tax.

Alongside original illustrations, the book includes works based on real models. The publisher names Enako, Mariya Ise and Moe Iori, in their order of appearance, with additional participants left unnamed. This is a collection of illustrated artwork, rather than a photographic gravure book.

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Cover of Masakazu Katsura’s Positive Sensitive artbook, with black lettering on white and an illustration of shorts over dark tights with a paw-shaped opening.
Illustration and cover artwork: Masakazu Katsura / Genkosha, supplied via PR TIMES
Rear-view illustration from Positive Sensitive showing white underwear and black thigh-high stockings against a textured ochre background, on page 28.
Illustration: Masakazu Katsura / Genkosha, supplied via PR TIMES
Rear three-quarter illustration from Positive Sensitive showing black underwear with scalloped trim against a dark textured background, on page 29.
Illustration: Masakazu Katsura / Genkosha, supplied via PR TIMES
Rear-view illustration from Positive Sensitive showing a black top above white underwear against a mottled gold and green background, on page 30.
Illustration: Masakazu Katsura / Genkosha, supplied via PR TIMES
Illustration from Positive Sensitive showing white side-tie swimwear against a textured blue-gray background, on page 31.
Illustration: Masakazu Katsura / Genkosha, supplied via PR TIMES
Rear-view illustration from Positive Sensitive showing black swimwear beside pale blue surf, presented within a black border.
Illustration: Masakazu Katsura / Genkosha, supplied via PR TIMES
Illustration from Positive Sensitive showing a black open-backed outfit beside a diagonal metal railing, presented within a black border.
Illustration: Masakazu Katsura / Genkosha, supplied via PR TIMES
Rear-view illustration from Positive Sensitive showing a figure kneeling on a green upholstered chair in pale sheer shorts with floral embroidery.
Illustration: Masakazu Katsura / Genkosha, supplied via PR TIMES
Rear-view illustration from Positive Sensitive showing turquoise swimwear against a pale yellow background, presented within a black border.
Illustration: Masakazu Katsura / Genkosha, supplied via PR TIMES

From manga characters to a single visual theme

Katsura’s manga credits include Wingman, Video Girl Ai, I’s and ZETMAN. He also contributed original character concepts and hero designs to TIGER & BUNNY.

For this collection, Genkosha describes an emphasis on shape, posture and the lines created by clothing. The released artwork moves between textured gold backgrounds, pale surf and a sparse interior with a metal railing. White underwear, black swimwear and turquoise fabric provide contrasting colors and surfaces across the illustrations.

The finished cover takes a more graphic approach: a white field, bold Positive Sensitive lettering and a central illustration of shorts worn over dark tights with a paw-shaped opening. The accompanying gallery contains that cover and eight separate artwork previews.

Retailer bonuses use different illustrations

The announced extras vary by seller and purchase route. They are not a combined set included with every copy.

Retailer Announced offer
Genkosha Store One exclusive illustration Instax print bearing a reproduced Katsura signature. This is not a handwritten autograph.
Shosen Grande An exclusive card using an illustration based on Moe Iori.
Shosen Book Tower A different exclusive Moe Iori illustration card.
Horindo Shoten Takadanobaba An exclusive Enako illustration card.
Melonbooks An exclusive A3 poster using an Enako illustration through the poster-bearing reservation listing.
Yodobashi Camera An Enako illustration card, alongside an announced signed-book lottery.

Melonbooks separates its poster offer from its signed-book lottery. The publisher states that signed-book lottery winners do not receive the A3 poster; orders through the poster-bearing listing are excluded from that lottery. Check the chosen retailer’s application and purchase conditions before ordering.

Katsura’s signing event has its own lottery

A signing session with Katsura is scheduled for December 20, 2026, at 2 p.m. JST, at Shosen Book Tower in Akihabara, Tokyo.

The event lottery requires purchase of the designated application product between October 23 at noon and November 8 at 11:59 p.m. JST. Winners receive admission; unsuccessful applicants receive an ordinary book. Both receive a lottery-specific Moe Iori illustration card, distinct from the regular store designs.

Winners must bring their purchased book and official identification. Katsura will sign the designated book and add the attendee’s name. No appearance by Enako, Ise or Iori has been announced.

Shosen also offers a separate signed-book lottery, with applications closing November 25 at 11:59 p.m. JST. Winners receive a signed copy, while unsuccessful applicants receive an ordinary copy; both receive the lottery-specific card. This purchase does not grant signing-event admission. Applications to both Shosen lotteries are permitted, but an applicant can win only one.

Book details

  • Title: Positive Sensitive: Masakazu Katsura Oshiri Gashu
  • Author and illustrator: Masakazu Katsura
  • Release date: December 10, 2026
  • Format: B5 print artbook, 148 pages
  • Publisher: Genkosha
  • Price: ¥3,960 including tax
  • ISBN: 9784768332511

Genkosha separately plans signed high-definition art reproductions in framed and unframed versions. Its announcement lists those as forthcoming merchandise, not items included with the book.

Illustrations and cover artwork: Masakazu Katsura / Genkosha, supplied via PR TIMES.

Source: Genkosha via PR TIMES

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