Perfect World Co., Ltd. (Headquarters: Katsushika Ward, Tokyo; President and CEO: Atsusuke Shibuya) announces the start of pre-order sales for collaboration items between beloved artist Mizumori Ado and the popular miscellaneous goods brand “SWIMMER” on the official online store “Ado-chan Store” operated by the company.

In this collaboration, Mizumori Ado, who has recently gained renewed attention amid the retro boom, teams up with “SWIMMER” to launch exceptionally cute items.
Four original all-over pattern designs have been created by combining illustrations of girls, couples, and animals drawn by Mizumori Ado with motifs full of “SWIMMER” character. Each item captures a “retro-cute” world that feels nostalgic yet perfectly suits today’s mood.
The standout items are the laminated tote bag with a gorgeous all-over design and the locking tumbler bottle. These items combine design aesthetics with practicality, making you feel great just carrying them around. They’re perfect for personal use or as gifts for loved ones.
In addition, the lineup includes items easy to incorporate into daily life, such as mini towels and pouches. You can enjoy the world of Mizumori Ado and “SWIMMER” while adding your favorite “cuteness” to your bag and desk surroundings.

■Sales Overview
- Early Pre-Order Period: August 21, 2026 (Friday) 5:00 PM – September 6, 2026 (Sunday) 11:59 PM
- Expected Delivery: Late October 2026
- Sales Outlet: Official Web Store “Ado-chan Store” (https://adochan.store/)
- Special Page: https://adochan.store/?mode=grp&gid=3201507&sort=n
Additionally, starting at 5:00 PM on August 21, 2026 (Friday), an Instagram LIVE will be held on the Instagram account “@perfect_world_tokyo” operated by Perfect World Co., Ltd.
During the LIVE, the “SWIMMER × Mizumori Ado” collaboration items will be introduced, and details about the product designs, appeal, and fine points will be explained in detail. This will be an opportunity to feel the charm of the collaboration up close, so please be sure to watch.

SWIMMER × Mizumori Ado All-Over Pattern Laminated Tote Bag
A tote bag with an all-over pattern and plenty of gusset space. Since it fits A4-size items, it’s also recommended for commuting and school use. With laminate coating applied, it’s perfect for leisure outings and rainy days.
【Product Overview】
Price: ¥3,300 (tax included)
Size (approx.): H270 × W430 × Gusset 155mm

SWIMMER × Mizumori Ado Shell-Shaped Pouch
The appeal is its wide opening for easy access. The size is just right for carrying makeup items and small accessories together. The pearl detail on the zipper is a nice touch.
【Product Overview】
Price: ¥2,530 (tax included)
Size (approx.): H120 × W150 × D70mm

SWIMMER × Mizumori Ado Locking Bottle Tumbler
With a vacuum double-wall structure that keeps drinks at the perfect temperature, it’s perfect for commuting, school, and outings. It’s a special item you’ll want to carry with you every day.
【Product Overview】
Price: ¥3,850 (tax included)
Size (approx.): H164 × W86 × D95mm / 370ml

SWIMMER × Mizumori Ado Mini Towel (Blue Ocean Pattern / Pink Cosmetics Pattern)
A mini towel that lifts your spirits every time you take it out of your bag. Choose between a refreshing blue pattern with ocean motifs and a charming pink pattern with cosmetics motifs, depending on your mood. It’s so cute you’ll want to get both patterns.
【Product Overview】
Price: ¥1,210 (tax included)
Size (approx.): H250 × W250mm

SWIMMER × Mizumori Ado Hair Scrunchie
Add an accent to your daily hair arrangements. You can also enjoy it as an accessory by wearing it on your wrist.
【Product Overview】
Price: ¥1,980 (tax included)
Size: Diameter 160 × 160mm

SWIMMER × Mizumori Ado Clear File Set (Strawberry Flower & Cosmetics / Cherry Ribbon & Ocean)
A set of two A4-size clear files that are useful at school and the office. You can use them interchangeably depending on your mood and purpose.
【Product Overview】
Price: ¥1,210 (tax included)
Size: W210 × H297mm

SWIMMER × Mizumori Ado Acrylic Keychain (Cosmetics / Cherry Ribbon)
Attach it to your bag or keys and feel your mood lift! A cute design keychain.
【Product Overview】
Price: ¥1,210 (tax included)
Size: H55 × W65mm, 60 × 60mm

SWIMMER × Mizumori Ado Sticker 3-Piece Set (A / B)
Stick them on your phone case or PC to customize it cutely.
【Product Overview】
Price: ¥990 (tax included)
Size: H70 × W50, H55 × W65, H85 × W62mm
【Inquiries Regarding Merchandise】
Perfect World Co., Ltd.
Customer Service TEL: 03-5654-9122
<Business Hours: 10:00 AM – 4:00 PM (Excluding Saturdays, Sundays, National Holidays, and Year-End/New Year Holidays)>
About SWIMMER
“SWIMMER” is a miscellaneous goods brand that has handled the planning and sales of many products including bags, pouches, clothing, fashion accessories, interior goods, and stationery. It is characterized by designs featuring animals and sweets as motifs, and is beloved by a wide range of generations for its affordable prices and cute designs.
Official Website: https://www.pattys.jp/swimmer
Official Instagram: @swimmer_prom
Official X (Twitter): @SWIMMER_Prom
(C)patty’s
About Mizumori Ado

Born in Nihonbashi, Tokyo. After graduating high school, she studied in Hawaii. She gained attention for her impressive performances of painting on acrylic boards with both hands while singing. The illustrations of “Mizumori Ado” feel nostalgic yet fresh to everyone. Her work has become popular across generations and has continuously led Japan’s “cuteness” sensibility. A rare artist who displays uniquely talented abilities across genres including painter, illustrator, jazz singer, and actress.
Mizumori Ado “ADO MIZUMORI WORLD” Related URLs
ADO MIZUMORI WORLD Official Website: http://www.adomizumori.jp
Official Instagram: @adomizumori https://www.instagram.com/adomizumori/
Official X (Former Twitter): @adomizumorijp https://x.com/adomizumorijp
Please Note Regarding Publication
Please include proper credit attribution.
(C) ADO MIZUMORI (Abbreviated form (C) ADO)
※Optional: We ask that you allow us to review the manuscript prior to publication.
Inquiries Regarding This Matter
Perfect World Co., Ltd.
Press Inquiries / Customer Service TEL: 03-5654-9122
<Business Hours: 10:00 AM – 4:00 PM (Excluding Saturdays, Sundays, National Holidays, and Year-End/New Year Holidays)>
This is a translated report from Japan’s Perfect World Tokyo.
✍️ Supervised by | Editor-in-Chief KOS
Editor-in-Chief of a character goods specialty media. Has written and supervised over 12,000 articles to date. As the representative of Perfect World Co., Ltd., operates Perfect World Tokyo. Handles over 50,000 character goods at all times, personally reviewing and selecting over 1,000 new products every month. All products featured in the media are authentic items sourced directly by the company, and all photos are taken in-house. Articles are written after personally inspecting each product, delivering the latest news and product reviews in the character goods industry. Information is provided from three perspectives: as a retailer, photographer, and editor.

