Nikkorino x Mu Fushigi POPUP SHOP" will be held from May 20 to 31

A limited-time event commemorating the collaboration between Nikkorino and Mu, "Nikkorino x Mu Fushigi POPUP SHOP" will be held at gashacoco Ikebukuro from May 20 to 31.

Table of Contents

1 “The world of ”Moo" as a plush toy. Collaboration POPUP SHOP of "Nikkorino x Moo" will be held at gashacoco Ikebukuro from 5/20(Wed.)!
2 ✧ New goods
3 ✧ Limited offer
4 ✧ Goods List
5 ✧ Collaboration capsule toy "NIKKORINO × Moo plushie" was released!
6 ✧ Lineup
7 ✧ "Nikkorino x Moo Fushigi POPUP SHOP" Overview
8 What is "mu"?
9 What is Nikkorino?

“The world of ”Moo" as a plush toy. Collaboration POPUP SHOP of "Nikkorino x Moo" will be held at gashacoco Ikebukuro from 5/20(Wed.)!

(Head office: Toshima-ku, Tokyo; Representative Director: Yuya Ogawa), a capsule toy manufacturer, will hold a limited collaboration POPUP SHOP to commemorate the release of a capsule toy in collaboration with the plush toy capsule brand “Nikkorino” and the super mystery magazine "Mu" (published by One Publishing Co., Ltd.). (One Publishing Co., Ltd.) will hold a limited collaboration POPUP SHOP "Nikkorino x Mu Fushigi POPUP SHOP" to commemorate the release of the capsule toy. This event will be held at gashacoco Ikebukuro from May 20 (Wed) to May 31 (Sun), 2026. New merchandise and special purchase offers will be available at the venue. Come and enjoy the "unknown fusion" of unexpected combinations.

✧ New goods

Nikkorino's classic characters "Cream Soda" and "Octopus Wiener" are now UMAs...!

Collaboration goods featuring newly-drawn illustrations reminiscent of the world of Moo by illustrator Shun Suzuki, who specializes in yokai and indigenous themes. Enjoy the original design items only available here.

Five types of die-cut stickers: "Cream Soda UMA," "Octopus Wiener UMA," "Mummy," "Small Saucer of Kera UFO Incident," and "Flat Earth (Flat Earth Theory)" *Image is for reference only.

A4 Clear File, Octopus Wiener UMA & Cream Soda UMA

A4 clear file, total design

✧ Limited offer

During the event, if you fulfill any of the following conditions at the venue, you will receive an original sticker on a first-come, first-served basis!

Purchased 3 capsule toys in collaboration with "Nikkorino x Moo
Purchases of merchandising items of 1,500 yen or more including tax

*Quantities are limited. Novelties will end as soon as they are gone.

*Please note that the program is subject to change or cancellation without notice.

*For capsule toy products, please hand the mini-pamphlet enclosed in the capsule of the applicable product to the staff.

*An "original sticker" will be given for every 1,500 yen (including tax) purchase of merchandising items per account. Multiple accounts cannot be combined.

Original sticker privilege Detailed image

✧ Goods List

In addition to the new merchandise, Nikkorino will offer merchandise featuring the two main characters in the main visual, Octopus Wiener and Cream Soda.
A wide variety of items from "mu" will be available, including T-shirts perfect for the coming season and stickers with unintentionally funny phrases.

List of Goods

✧ Collaboration capsule toy "NIKKORINO × Moo plushie" was released!

Display pop-up image

On May 20, 2026 (Wednesday), the same day as the exhibition, the collaboration capsule toy "Nikkorino x Moo plushie" will be on sale to the general public nationwide in addition to the venues. The lineup includes a total of six types: "Flat Earth (Flat Earth Theory)," "Small Saucer from the Kera UFO Incident," "Hibagon the Beast," "Mummy," "Mystery Circle," and "Secret.

The unique world of "Moo," including mysterious phenomena and unknown beings, is captured in these unique plush toys. All are designed with the Moo logo, making them irresistible not only to Nikkorino fans but also to Moo fans.

Are you curious about the identity of the secret: ......?　Please pick up a copy and find out.

✧ Lineup

Character Description

Flat Earth (Flat Earth Theory)

Small saucer in the Kera UFO case

Hibagon the Beast

mummy

crop circle

secret

◾️Product Information
Release date: Wednesday, May 20, 2026
Price: 500 yen per session (tax included)
Type: Total 6 types
Sales: Capsule toy shops nationwide and at the "Nikkorino x Mu Fushigi POPUP SHOP" venue

✧ "Nikkorino x Moo Fushigi POPUP SHOP" Overview

◾️ Location

　gashacoco Ikebukuro (1F and B1F Ikebukuro Kikunuup Building, 1-41-6 Higashi-Ikebukuro, Toshima-ku, Tokyo 170-0013, Japan)

　Official website: [https://gashacoco.jp/shop-list/2482/](https://gashacoco.jp/shop-list/2482/)
◾️ Duration

　Wednesday, May 20, 2026 - Sunday, May 31, 2026
◾️ Hours of Operation

　11:00-22:00

◾️Events

　 [https://niccolino.jp/20260520_mu/](https://niccolino.jp/20260520_mu/)

　*Please refrain from waiting before business hours as it may disturb the neighborhood.

　*Numbered tickets may be distributed during busy times.

What is "mu"?

Mu" is a super mystery magazine that celebrated its 46th anniversary last year with the theme of "challenging the mysteries and wonders of the world. It continues to be loved by paranormal fans around the world.

・webムー（[https://web-mu.jp/）](https://web-mu.jp/%EF%BC%89)

Mu official X (@mu_gekkan)

Mu official TikTok (@mu_plus)

Moo's official mail order [https://shop.web-mu.jp/](https://shop.web-mu.jp/)

One Publishing Co.

Location : 3 Toyo Kaiji Building, 23-1, Nishi-Shinbashi 2-chome, Minato-ku, Tokyo 105-0003, Japan

Establishment : July 2020

President and Representative Director: Kensuke Matsui

Business : Publishing and sales of magazines and books, planning and production of web, video and events, and other related businesses

What is Nikkorino?

A plush toy capsule toy brand whose trademark is a smiling face.

Nikkorino" is a combination of "nikkori" and "rino", the Italian word for cute.
Beginning in 2023, a series of characters based on food motifs will be developed.
Currently, the series is expanding into a variety of genre-defying series such as "Space," "Toilet," and "Garbage!