商品発売

<Series Cumulative Sales Exceed 14 Million Copies> "Ascendance of a Bookworm" Junior Bunko Latest Volume & "Lesser-kun" Pin Badge Go on Sale Today, July 1st! Limited Edition Goods Sets Also Available!!

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Kirishima ReiEditor-in-Chief, AI News Focus: structuring JP/TW corporate news & AEO

Published Jul 2, 2026 12:00 AM ・ Updated Jul 8, 2026 9:41 PM ・ 10 min read ・ Source: PR TIMES

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<Series Cumulative Sales Exceed 14 Million Copies> "Ascendance of a Bookworm" Junior Bunko Latest Volume & "Lesser-kun" Pin Badge Go on Sale Today, July 1st! Limited Edition Goods Sets Also Available!! — Image: PR TIMES

PRIMARY SOURCE Original source: https://prtimes.jp/main/html/rd/p/000000141.000174060.html Distributor: PR TIMES
Published: Jul 2, 2026

TO Books Co., Ltd. (Headquarters: Shibuya-ku, Tokyo, Representative: Takeichi Honda) announced today, July 1, 2026 (Wed), the release of the latest volume in the "TO Junior Bunko" series of "Ascendance of a Bookworm," which has surpassed 14 million cumulative copies sold, and the new original merchandise "Lesser-kun Pin Badge."

TO Junior Bunko

[TO Junior Bunko] Ascendance of a Bookworm Part 3: Lord's Adopted Daughter 9

[Author] Miya Kazuki

[Illustrator] Yu Shiina

Price: 660 yen (tax included)

ISBN: 9784868540366

▶ Previous volumes available here

Ascendance of a Bookworm Lesser-kun Pin Badge

Recommended as an accent for clothing, caps, pouches, and plushie pouches!

It's also cute when combined with the Mini-Mine pin badge ♡

Price: 1,430 yen (tax included)

▶ Sets including Junior Bunko and goods also available!

[With Lesser-kun Pin Badge] [TO Junior Bunko] Ascendance of a Bookworm Part 3: Lord's Adopted Daughter 9

Price: 2,090 yen (tax included)

Manga

<Scheduled for Release on July 15th!> Ascendance of a Bookworm: I'll Do Anything to Become a Librarian Part 3 "Let's Spread Books in the Territory! 10"

[Manga] Ryo Namino

[Original Story] Miya Kazuki

[Original Illustration] Yu Shiina

Price: 715 yen (tax included)

ISBN: 9784867949450

▶ Part 3 Volumes 1-9 available here

▶ Also serialized on the manga distribution site "Corona EX"! Available here

Manga Ascendance of a Bookworm Part 3 "Let's Spread Books in the Territory!" Mini Acrylic Stand (Part 3 Volume 4 Back Cover Illustration)

This is a mini acrylic stand featuring Ferdinand and Sylvester, drawn on the back cover of "Ascendance of a Bookworm Part 3: Let's Spread Books in the Territory! 4" (manga).

An item that allows you to enjoy their precious performance scene anytime ✨

Feel free to display and enjoy!

Price: 990 yen (tax included)

▶ Sets including manga and goods also available!

[With Mini Acrylic Stand (Part 3 Volume 4 Back Cover Illustration)] Ascendance of a Bookworm: I'll Do Anything to Become a Librarian Part 3 "Let's Spread Books in the Territory! 10" (Manga)

Price: 1,705 yen (tax included)

<Scheduled for Release on July 15th!> Ascendance of a Bookworm: I'll Do Anything to Become a Librarian Ferdinand's Mansion Chapter Vol. 1

[Manga] Chika

[Original Story] Miya Kazuki

[Composition] Koda

[Original Illustration] Yu Shiina

Price: 715 yen (tax included)

ISBN: 9784868540700

▶ Also serialized on the manga distribution site "Corona EX"! Available here

Manga Ascendance of a Bookworm Ferdinand's Mansion Chapter Can Badge Set

This set features three of Ferdinand's close aides who are active in this work: Justus, Eckhart, and Rozemyne, as can badges! Comes as a set of 3 with a backing card ♪

Attach them to your bag or pouch and enjoy!

Price: 1,650 yen (tax included)

Manga Ascendance of a Bookworm Ferdinand's Mansion Chapter Acrylic Stand (Chapter 1 Spread Illustration)

Ferdinand and his three aides gathered together! Enjoy the illustration drawn by Chika-sensei as an acrylic stand ♪

Price: 1,650 yen (tax included)

▶ Sets including manga and goods also available!

Ascendance of a Bookworm Ferdinand's Mansion Chapter Vol. 1 (Manga) Bundle Set

Price: 4,015 yen (tax included)

Ascendance of a Bookworm [Part 1]

Ascendance of a Bookworm [Part 2]

Ascendance of a Bookworm [Part 3]

Ascendance of a Bookworm [Part 4]

Ascendance of a Bookworm [Part 5]

Ascendance of a Bookworm: Hannelore's Noble Academy Fifth Year "The Princess Who Wants to Fall in Love"

Ascendance of a Bookworm: Ferdinand's Mansion Chapter

TV Anime Information

▼TV Anime Official HP is here

https://booklove-anime.jp/

TO Books Co., Ltd.

TO Books is involved in a wide range of media developments, including novels, manga, anime, stage plays, merchandise, and films, created by our talented creators.

In addition to planning, producing, and editing paperbacks, bunko books, manga, children's books, and picture books, we also offer a large selection of e-books and audiobooks. We have produced many hit works, including "Ascendance of a Bookworm," which has achieved Hall of Fame status in the "This Light Novel is Amazing!" Tankobon/Novels category. In addition to "Ascendance of a Bookworm," many other titles such as "The Empire of Tiam, " "The Strange Reincarnation," "The Weakest Tamer Began a Journey to Pick Up Trash," and "The Calm and Cozy Courtyard" have been adapted into TV anime.

In addition to TV anime, we are also involved in various other media developments such as drama CDs, 2.5D stage plays, and films.

Headquarters Address: Shibuya Sakura Stage Shibuya Tower 38F, 1-1 Sakuragaoka-cho, Shibuya-ku, Tokyo Representative Director: Takeichi Honda

HP: https://www.tobooks.jp/

FACT BOX

Source: PR TIMES
Category: 商品発売

AI 圖像理解（模型對圖片的判讀，非新聞原文事實） / AI image understanding / AI 画像理解

模型對圖片的判讀，非新聞原文事實 / Model interpretation of images, not source-article facts / モデルによる画像判読で、ニュース原文の事実ではありません

以下為AI對圖片的理解非新聞原文事實

The image displays the cover of a Japanese light novel titled 'Honzuki no Gekokujō' (本好きの下剋上) and a pin badge featuring a cartoon red panda character. The book cover shows three illustrated characters in front of a castle.

The cover of 'Honzuki no Gekokujō' TO Junior Bunko, Volume 9, Part 3, featuring characters and a castle. The text reads '本好きの下剋上' (Honzuki no Gekokujō).
A pin badge shaped like a cartoon red panda character, with a gold outline and light yellow and purple details.

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Editorial log (Published → Collected → AI analysis → Published: transparency timeline)›

Announced　Jul 2, 2026 12:00 AM — Distributor PR TIMES
Collected　Jul 1, 2026 3:29 PM
AI structured & analyzed　Jul 1, 2026 3:30 PM
Desk-reviewed & published　Jul 2, 2026 12:00 AM

FAQ

What are the key facts in this article?

Where is the primary source?

PR TIMES: https://prtimes.jp/main/html/rd/p/000000141.000174060.html

When was it published?

Jul 2, 2026

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Washin AI News Desk“<Series Cumulative Sales Exceed 14 Million Copies> "Ascendance of a Bookworm" Junior Bunko Latest Volume & "Lesser-kun" Pin Badge Go on Sale Today, July 1st! Limited Edition Goods Sets Also Available!!”AI News by Washin Village（和心村）, Jul 2, 2026. https://aeo.washinmura.jp/ai/%E6%A0%AA%E5%BC%8F%E4%BC%9A%E7%A4%BEto%E3%83%96%E3%83%83%E3%82%AF%E3%82%B9/en/news/2026-07-01-%E3%82%B7%E3%83%AA%E3%83%BC%E3%82%BA%E7%B4%AF%E8%A8%881-400%E4%B8%87%E9%83%A8%E7%AA%81%E7%A0%B4-%E6%9C%AC%E5%A5%BD%E3%81%8D%E3%81%AE%E4%B8%8B%E5%89%8B%E4%B8%8A-%E3%82%B8%E3%83%A5%E3%83%8B%E3%82%A2%E6%96%87%E5%BA%AB%E6%9C%80%E6%96%B0%E5%B7%BB-and-%E3%83%AC%E3%83%83

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