Exciting Collaboration: Mezzo Piano and Hello Kitty's Exclusive Campaign at Seven-Eleven

Get ready for an exciting opportunity as the popular children’s clothing brand, Mezzo Piano, teams up with the beloved character, Hello Kitty, to announce an exclusive campaign starting October 9, 2025, at Seven-Eleven stores nationwide. This collaboration promises delightful surprises for fans of both brands with an original card mirror that features charming designs from both Mezzo Piano junior and Hello Kitty.

Campaign Overview

The campaign will run from October 9, 2025, at 7:00 AM until October 22, 2025, or until supplies last. Customers visiting participating Seven-Eleven locations across Japan will have the chance to receive a limited edition card mirror when they purchase three qualifying gummies in one go (customers can choose any combination of gummies). There are five unique designs of the card mirrors featuring adorable motifs such as cherries and cakes, as well as romantic portrayals of Angel Berrie and Hello Kitty, making them perfect for on-the-go use thanks to their compact size.

Key Details:

- Start Date: October 9, 2025, 7:00 AM
- End Date: October 22, 2025, or until supplies last
- Participating Stores: All Seven-Eleven locations in Japan (note some stores may not participate)
- Offer: Get one original card mirror for every three gummies purchased

Please note that the mirrors are available while stocks last, and the starting time may vary depending on the store’s situation. In case of item shortages, we appreciate your understanding.

The Characters Behind the Collaboration

Berrie-chan

Berrie-chan is the original character of gently styled children’s clothing brand Mezzo Piano Junior. This character gained substantial popularity among elementary and junior high school students in the early 2000s and has once again captured attention as nostalgic adults reminisce about their childhoods. Berrie-chan's enduring charm continues to appeal to new generations, showcasing a perfect blend of cute and fashionable style.

For updates on Berrie-chan, check out the official Twitter account here and find wonderful posts about Berrie-chan on Instagram @berriechan_official.

Mezzo Piano Junior

The brand is designed for girls aged 9-15 and offers a range of styles that are both trendy and elegant. Mezzo Piano Universe focuses on creating vibrant and romantic options in their clothing line, ensuring that every child feels special.

Find more about Mezzo Piano Junior’s latest collections at their official online shop NARUMIYA ONLINE or follow them on Instagram @mezzopianojunior_official.

About Narumiya International

Narumiya International Co., Ltd. is based in Minato-ku, Tokyo, and operates under the leadership of President and Executive Officer, Kosuke Kunikyo. With about 40 years of experience in children's fashion, Rabtoki, Petit Mind, and Mezzo Piano are just a few of the diverse brands offered by the company, which caters to newborns, infants, and juniors. As Japan's leading manufacturer of children's apparel, Narumiya International remains committed to delivering high-quality children’s clothing.

To learn more about the company, please visit Narumiya Online or contact them for inquiries here.

This unique promotion at Seven-Eleven is set to enchant both children and adults alike. So mark your calendars and don’t miss out on this delightful collaboration!