To commemorate the 4th anniversary of “JOCHUM,” the character jointly developed by JO1 and Sanrio, the “JOCHUM 4th ANNIVERSARY PARTY in LaLaport” will be held starting October 30, 2026, at Nagoya Minato Akurus, EXPOCITY, and Yokohama LaLaport! The event will feature a photo spot with a giant birthday cake, a 4th-anniversary exhibition, a pop-up store stocked with event-exclusive and pre-release items, purchase perks such as balloon sticks and capsule toy raffles, and a promotion where shoppers can receive a 4th-anniversary limited-edition sticker with purchases made at the venues.