New merchandise featuring “JOCHUM,” a character co-developed by JO1 and Sanrio, will go on sale at Shimamura stores nationwide starting November 13, 2026, and will also be available on the online store “Shimamura Park” starting at 3:00 PM on the same day. The lineup features a wide variety of items, including fluffy tote bags, hard keychains, blankets, color-changing mugs, and women’s T-shirts.