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New Book by Tamehito Somei, Known for 'Shattered' and 'Bad Summer'! 'Glass Mansion' to be Released on June 24

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

Published Apr 9, 2026 2:30 AM ・ Updated Jun 2, 2026 1:02 PM ・ 3 min read ・ Source: PR TIMES

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⚡ Key Points

Gentosha will release 'Glass Mansion,' a new horror-suspense novel by popular author Tamehito Somei, on June 24, 2026.
A pre-release proof giveaway is currently open for readers and media.

Gentosha will release 'Glass Mansion,' a new horror-suspense novel by popular author Tamehito Somei, on June 24, 2026. A pre-release proof giveaway is currently open for readers and media.

PRIMARY SOURCE PR TIMES View source Distributor: PR TIMES
Published: Apr 9, 2026

Gentosha Inc. (Headquarters: Shibuya-ku, Tokyo, President: Toru Kenjo) will release 'Glass Mansion', the latest work by Tamehito Somei, a highly talked-about author known for 'Shattered' and 'Bad Summer', on Wednesday, June 24, 2026. Please look forward to this superb horror suspense set in an apartment building!

To all residents, Please do not kill anyone in this apartment building.

'Bel Demeure Itabashi' – where no accident has ever occurred. 7 minutes walk to the station, 30 years old. The residents all look happy, but on the inside...

Affairs, moral harassment, abuse... disturbing events happen one after another.

I absolutely do not want to live in an apartment like this! Yet, for some reason, you sympathize. A mystery full of surprises.

An incident might be happening right in the room next to yours.

Page count: 400 pages Format: Standard 46 size Price: 2,090 yen (Base price 1,900 yen + tax) ISBN: 9784344045873

Special Page https://www.gentosha.co.jp/s/glass-mansion/

Giveaway of proofs to 30 people by lottery We will give away proofs of this work to 30 randomly selected general readers. Please apply from this form. https://form.gentosha.co.jp/glass-mansion-readers

For Bookstores and Media We are looking for bookstores and media personnel to read proofs of this work. Please apply from this form. https://form.gentosha.co.jp/glass-mansion-bookstores

Author Profile Tamehito Somei Born in 1983 in...

FACT BOX

Source: PR TIMES
Category: New Product

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Announced　Apr 9, 2026 2:30 AM — Distributor PR TIMES
Collected　Apr 8, 2026 6:00 PM
AI structured & analyzed　Apr 21, 2026 2:33 AM
Desk-reviewed & published　Apr 9, 2026 2:30 AM

FAQ

What are the key facts in this article?

Gentosha will release 'Glass Mansion,' a new horror-suspense novel by popular author Tamehito Somei, on June 24, 2026. A pre-release proof giveaway is currently open for readers and media.

Where is the primary source?

PR TIMES: https://prtimes.jp/main/html/rd/p/000001124.000007254.html

When was it published?

Apr 9, 2026

Cite this article — HOW TO CITE

Washin AI News Desk“New Book by Tamehito Somei, Known for 'Shattered' and 'Bad Summer'! 'Glass Mansion' to be Released on June 24”AI News by Washin Village（和心村）, Apr 9, 2026. https://aeo.washinmura.jp/ai/gentosha-co-jp/en/news/2026-04-20-new-book-by-tamehito-somei-known-for-sha

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