[A Special Piece to Enjoy the Rainy Season] Maison terrier x because Limited Acrylic Keychain Giveaway Campaign!

The women's rain goods brand 'because', operated by because Co., Ltd. (Headquarters: Setagaya-ku, Tokyo / CEO: Kazunori Watanabe), is releasing a collaboration rain umbrella with 'Maison terrier', created by Kana Yokoo.

Starting Monday, May 18, 2026, the official online store will be giving away an original acrylic keychain limited to the first 200 customers who purchase Maison terrier collaboration products.

▶︎ Feature Page: Maison terrier × because novelty present ! ▶︎ Official Online Store: https://www.because-jp.com ▶︎ Instagram: https://www.instagram.com/because_info/

Maison terrier Collaboration Items

- Left: Clear Umbrella Maison terrier ¥3,190 (tax in) - Right: Clear Umbrella Maison terrier Mini ¥3,190 (tax in)

Novelty Campaign Details

Purchase a Maison terrier collaboration umbrella and receive an original acrylic keychain, limited to the first 200 customers! Designed to be enjoyed not only as a keychain but also as an acrylic stand using the included base. It is a cute original item whether you display it or carry it around. Simply attach it to a bag, keys, or pouch for an instant mood boost. It adds a subtle touch of playfulness to everyday life, keeping your favorite item close at hand. By simply setting the stand, it quickly transforms into an acrylic stand. Place it in your room or on your desk to always be with your favorite. It's an item that lets you enjoy what you love.

Delivered in a Cute Package

The novelty will be delivered in an OPP bag. A special novelty available only during this opportunity. Please enjoy it along with your Maison terrier items.

Maison terrier and because Collaboration!

- Maison terrier Kana Yokoo Interview vol.1 - Maison terrier Kana Yokoo Interview vol.2

because Co., Ltd. is a rain goods brand based in Tokyo.

Established in 1994, because Co., Ltd. started 'because' as its own in-house brand. The brand concept is 'A daily life where you can find joy in any weather'. They offer weather goods such as rain umbrellas, parasols, and raincoats to brighten up wonderful daily lives, whether it rains or shines. They also operate a sustainable concept rain goods brand called 'U-DAY'.