Exciting Collaboration: nankaiine Studio x Balloon Friends Popup Store in Daikanyama, Tokyo

A Unique Collaboration of Character Brands

nankaiine studio, a vibrant character brand from Japan, is set to collaborate with the Korean character brand, Balloon Friends, for a special popup store in Daikanyama, Tokyo. This exciting event, titled nankaiine studio × Balloon Friends COLLABORATION POPUP STORE in TOKYO, will take place from September 25-27, 2026, at Shibutena Space Daikanyama Address. The collaboration aims to bring forth the theme: “LOST A LITTLE, FOUND A LOT.”

At the core of this collaboration lies a thoughtful message: sometimes getting lost or taking a detour can lead to extraordinary discoveries. Through five original short stories crafted by both brands, attendees will witness how these seemingly wasted moments turn into personal tales.

About the Brands

nankaiine studio

nankaiine studio embodies a carefree ethos, promoting the idea that life doesn’t always need to be serious. This Japanese character brand specializes in creating original illustrations that are shared across social media, along with producing unique merchandise, hosting popup events, and collaborating with various brands. The brand focuses on conveying those small moments in daily life that spark joy and create a sense of connection through its whimsical characters.

Balloon Friends

Originating in South Korea, Balloon Friends operates on a philosophy centered around the journey of self-discovery. The brand’s characters embark on adventures that reflect themes of finding oneself, emphasizing the importance of minor changes leading to significant personal growth. With a diverse array of merchandise and engaging stories, Balloon Friends is cherished by fans within Korea and beyond. Through this collaboration with nankaiine studio, these two distinct character worlds will intersect, weaving a captivating narrative that transcends borders.

The Exhibition: Five Original Stories

The popup store will feature two main areas: the EXHIBITION AREA and the GOODS AREA. Within the EXHIBITION AREA, attendees will be treated to the five original short stories designed exclusively for this collaboration.

These stories explore positive themes of “getting lost,” “stopping to take a break,” and “taking the long way around.” Illustrated by the characters from both brands, the exhibition invites visitors to revel in this rich storytelling experience. As stated in the exhibit, “All the time we spent wandering becomes our world.” This sentiment encapsulates the essence of the exhibit, highlighting how every moment contributes to our unique experiences and narratives.

Exclusive Merchandise

In the GOODS AREA, visitors can purchase exclusive collaboration merchandise inspired by the five stories showcased. The product range will include apparel, bags, stationery, keychains, and badges, among others—items that embody the spirit of this collaboration. Additionally, standard products from both nankaiine studio and Balloon Friends will also be available for purchase, allowing fans to fully immerse themselves in both brands' universes.

Special Events and Gifts for Visitors

During the popup's duration, special events and exclusive gifts for visitors will enhance the overall experience. Customers spending over 3,300 yen will be entered into a lottery for a chance to win special merchandise sets. Furthermore, those visiting the venue and following designated social media accounts will receive original novelties. Please note that these special offers are limited and will conclude once the supplies run out.

Event Summary

nankaiine studio × Balloon Friends COLLABORATION POPUP STORE in TOKYO

- Event Period: September 25 (Friday) to September 27 (Sunday), 2026
- Hours: 11:00 AM - 8:00 PM (September 25 opens at 1:00 PM)
- Venue: Shibutena Space Daikanyama Address, 17-4 Daikanyama-cho, Shibuya-ku, Tokyo, a one-minute walk from Daikanyama Station

The popup store will feature:

- Original story exhibitions
- Exclusive collaboration merchandise sales
- Typical products from nankaiine studio and Balloon Friends
- Limited lottery events for purchasers
- Unique novelties for attendees

Note: Event contents may be subject to change. Please check nankaiine studio’s Instagram for the latest information.

About nankaiine studio

(nankaiine studio) is a character brand from Japan that operates under the theme: “Well, isn’t that nice?” Focusing on vibrant original character illustrations, the brand develops innovative merchandise, organizes popup events, and collaborates with various companies and brands. nankaiine studio aims to deliver small discoveries and those delightful “isn’t that nice?” moments through the stories and products of its unique characters.

- Official Website: nankaiine.jp
- Instagram: @nankaiine.official

About Balloon Friends

(Balloon Friends) features a philosophy focused on the adventure of self-discovery. The characters embody daily encounters with moments of change, emphasizing that small observations can contribute to personal growth. With a heartwarming collection of characters and tales, Balloon Friends has a strong following in Korea and elsewhere. This collaboration introduces new narratives that link the worlds of Tokyo and Seoul, connecting the essence of Japan and Korea.