Birthday retail launches KOGYARU and Monchhichi collaboration

Birthday has released its latest promotional flyer for the period of September 26 to September 29, 2026. The collection features several brands, including Cottoli, KOGYARU, and EGOIST by switch me.

A major highlight of this period is the 12th collaboration between Birthday and KOGYARU, which features a special partnership with Monchhichi. The collection follows a ‘street casual’ theme, blending Monchhichi’s character design with KOGYARU’s edgy style. The product range includes apparel such as sweatshirts and setups, as well as accessories like crescent moon bags, socks, sandals, and charms.

The items are available at Birthday stores nationwide and through their official online store. Some products are limited in quantity and may vary by location.