A pop-up store for the popular manga series The Guy She Was Interested in Wasn't a Guy at All by Sumiko Arai is set to open at bookstores across Japan. The event features merchandise created using two newly drawn illustrations, available on a limited basis.
Event Overview
POP UP STORE — April 1 (Wed) to April 19 (Sun), 2026
The following locations will host the pop-up store:
- MARUZEN & Junkudo Bookstore Sapporo
- Ogaki Bookstore Azabudai Hills
- Junkudo Bookstore Ikebukuro (Main Store)
- Ogaki Bookstore Kyoto Yodobashi
- Mirai-ya Bookstore Dainichi
- Maruzen Hakata
Nationwide Fair — April 29 (Wed) to May 10 (Sun), 2026
Sales will expand to 30 or more stores nationwide. Participating stores are shown in the image below.
Product Lineup
Acrylic Stand
8 designs total / ¥1,760 each (tax included)
Pick-Shaped Keychain
8 designs total / ¥880 each (tax included)
Trading Metal Pin Badge Vol. 1
10 designs total / Blind box, 10 packs per box
1 pack: ¥550 (tax included) / 1 box: ¥5,500 (tax included)
Acrylic Board
2 designs total / ¥3,300 each (tax included)
Bookmark Set
2 designs total / ¥880 each (tax included)
Book Cover
2 designs total / ¥2,200 each (tax included)
Flake Stickers Vol. 1
1 design / ¥990 (tax included)
Pen Pouch
2 designs total / ¥2,860 each (tax included)
Clear File
3 designs total / ¥550 each (tax included)
Ballpoint Pen
4 designs total / ¥660 each (tax included)
Clear Pouch
2 designs total / ¥2,750 each (tax included)
Embroidery-Style T-Shirt
Sizes: M / L / XL
2 designs total / ¥6,600 each (tax included)
Book Tote Bag
1 design / ¥3,300 (tax included)
Phone Strap
2 designs total / ¥3,300 each (tax included)
Pick Set
2 designs total / ¥1,980 each (tax included)
Stock is limited and items may sell out. Images are for illustrative purposes only and may differ from the final product. A purchase limit per transaction applies and may be lifted without notice. Please follow staff instructions. Event details are subject to change. Returns and exchanges are not accepted except for defective items.
Purchase Bonus
POP UP STORE Period (April 1–19, 2026)
For every ¥2,500 (tax included) spent in a single transaction, one Special Sticker (8 designs, given randomly) will be distributed.
Nationwide Fair Period (April 29 – May 10, 2026)
For every ¥2,500 (tax included) spent in a single transaction, one Special Paper Postcard (4 designs, given randomly) will be distributed.
Bonuses are available while supplies last. Designs cannot be selected. Images are for illustrative purposes only. Receipt totals cannot be combined across transactions.
Muzzle Online Shop
Order period: May 25 (Mon) 12:00 PM – June 15 (Mon) 11:59 PM
Estimated delivery: Early July
Some items are available in limited quantities.
Event special page: https://www.muzzle.co.jp/kininatteru-hitoga-otokojanakatta/shoten202604/
Muzzle Official X: https://x.com/muzzle_incdot
Muzzle Online Shop: https://shop.muzzle.co.jp
©Sumiko Arai
