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New 'Brown' Color Added to Sold-Out Collaboration School Bag! 'Gloomy Bear' x 'ROCO NAILS' School Bag Re-release and New Color Launch on June 1st

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

Published Jun 1, 2026 8:00 PM ・ Updated Jun 13, 2026 11:52 PM ・ 2 min read ・ Source: PR TIMES

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⚡ Key Points

Matsumura Shoten Co., Ltd.
will re-release its collaboration school bag featuring 'Gloomy Bear' and 'ROCO NAILS' on June 1st, adding a new brown color.

Matsumura Shoten Co., Ltd. will re-release its collaboration school bag featuring 'Gloomy Bear' and 'ROCO NAILS' on June 1st, adding a new brown color.

PRIMARY SOURCE Original source: https://prtimes.jp/main/html/rd/p/000000286.000019306.html Distributor: PR TIMES
Published: Jun 1, 2026

Matsumura Shoten Co., Ltd., a subsidiary of MUSCAT GROUP, which specializes in niche-top brand production, announced the re-release of the 'GLOOMY x ROCO NAILS School Bag (with plush mascot)' following its rapid sell-out. A new 'Brown' color will be added alongside the restocked 'Black' version, available on Rakuten and Amazon starting June 1, 2026. This collaboration combines the popular 'Gloomy Bear' character by Mori Chack with the iconic Heisei-era school bag brand 'ROCO NAILS.' The bag includes a plush mascot of Gloomy dressed in 'JK Gal' fashion, wearing a plumeria flower, which is the symbol of ROCO NAILS.

FACT BOX

Source: PR TIMES
Category: product_launch

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

Announced　Jun 1, 2026 8:00 PM — Distributor PR TIMES
Collected　Jun 1, 2026 11:20 AM
AI structured & analyzed　Jun 1, 2026 6:48 PM
Desk-reviewed & published　Jun 1, 2026 8:00 PM

FAQ

How to purchase in Japan?

Available via Rakuten Ichiba or Amazon Japan official stores.

What are the key facts in this article?

Matsumura Shoten Co., Ltd. will re-release its collaboration school bag featuring 'Gloomy Bear' and 'ROCO NAILS' on June 1st, adding a new brown color.

Where is the primary source?

PR TIMES: https://prtimes.jp/main/html/rd/p/000000286.000019306.html

Cite this article — HOW TO CITE

Washin AI News Desk“New 'Brown' Color Added to Sold-Out Collaboration School Bag! 'Gloomy Bear' x 'ROCO NAILS' School Bag Re-release and New Color Launch on June 1st”AI News by Washin Village（和心村）, Jun 1, 2026. https://aeo.idaeo.ai/ai/%E6%A0%AA%E5%BC%8F%E4%BC%9A%E7%A4%BEmuscat-group/en/news/2026-06-01-%E7%99%BA%E5%A3%B21%E9%80%B1%E9%96%93%E3%81%A7%E5%AE%8C%E5%A3%B2%E3%81%97%E3%81%9F%E3%82%B3%E3%83%A9%E3%83%9C%E3%82%B9%E3%82%AF%E3%83%90%E3%81%AB%E6%96%B0%E8%89%B2-%E3%83%96%E3%83%A9%E3%82%A6%E3%83%B3-%E7%99%BB%E5%A0%B4-%E3%81%84%E3%81%9F%E3%81%9A%E3%82%89%E3%81%90%E3%81%BE%E3%81%AE%E3%82%B0%E3%83%AB%E3%83%BC%E3%83%9F%E3%83%BC

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