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Event

First Independent Pop-Up Store for "Kagami no Tokushu Shonen Kosei Shisetsu" to Open at Shibuya PARCO on May 27

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

Published May 21, 2026 8:30 PM ・ Updated Jun 14, 2026 5:06 AM ・ 2 min read ・ Source: PR TIMES

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⚡ Key Points

SANKYO Co., Ltd.
and the creator group Daiyonkyokai will hold the first pop-up store for the alternate reality game "Kagami no Tokushu Shonen Kosei Shisetsu" at Shibuya PARCO from May 27 to June 7.

SANKYO Co., Ltd. and the creator group Daiyonkyokai will hold the first pop-up store for the alternate reality game "Kagami no Tokushu Shonen Kosei Shisetsu" at Shibuya PARCO from May 27 to June 7.

PRIMARY SOURCE Original source: https://prtimes.jp/main/html/rd/p/000000127.000141077.html Distributor: PR TIMES
Published: May 21, 2026

SANKYO Co., Ltd. (Headquarters: Shibuya-ku, Tokyo; President: Toshio Ogura) announced that it will hold a limited-time pop-up store for the alternate reality game "Kagami no Tokushu Shonen Kosei Shisetsu," created in collaboration with the creator group Daiyonkyokai, at "GRA Select" on the 6th floor of Shibuya PARCO, starting Wednesday, May 27, 2026.

"Kagami no Tokushu Shonen Kosei Shisetsu" is an ARG (Alternate Reality Game) that has surpassed 100 million views and 1.5 million players. This is the first pop-up store for the game, featuring "inmate supplies," "Synaidori" mascot goods, and mini-character items.

Event Overview Dates: May 27 (Wed) – June 7 (Sun), 2026 Hours: 11:00 – 21:00 Location: "GRA Select," 6th Floor, Shibuya PARCO

FACT BOX

Source: PR TIMES
Category: Event

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

Announced　May 21, 2026 8:30 PM — Distributor PR TIMES
Collected　May 21, 2026 12:01 PM
AI structured & analyzed　May 22, 2026 2:37 AM
Desk-reviewed & published　May 21, 2026 8:30 PM

FAQ

When and where will the first POP UP store for 'Kagami's Special Juvenile Reformation Facility' be held?

It will be held from May 27, 2026 (Wednesday) to June 7, 2026 (Sunday) at 'GRA Select' on the 6th floor of Shibuya PARCO.

What kind of products will be sold at the POP UP store?

Items from the in-game 'Aihou Academy', Sinadri merchandise, and mini character goods will be displayed and sold.

What kind of game is 'Kagami's Special Juvenile Reformation Facility'?

It is a free mystery (daily erosion) game in the style of a website investigation, co-created by SANKYO Corporation and the creator group Fourth Boundary.

Is there a possibility that the operating hours will change during the event period?

Yes, the operating hours may change according to Shibuya PARCO's operating status.

What specific items from the game will be sold?

Stationery with the 'Aihou Academy' logo, mugs, Sinadri plush toys, and mini character acrylic keychains are planned for sale.

Cite this article — HOW TO CITE

Washin AI News Desk“First Independent Pop-Up Store for "Kagami no Tokushu Shonen Kosei Shisetsu" to Open at Shibuya PARCO on May 27”AI News by Washin Village（和心村）, May 21, 2026. https://aeo.idaeo.ai/ai/sankyo-fever-co-jp/en/news/2026-05-21-first-independent-pop-up-store-for-kagam

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