A collaboration café between the hospitality adventure game *18TRIP*—set in the near-future Yokohama district “HAMA18”—and Sweets Paradise will be held sequentially at five locations nationwide from September 2 to September 30, 2026. In addition to a total of 13 collaboration menu items featuring original illustrations themed around dessert-making, the event will offer promotional items such as paper placemats and coasters, as well as 13 different types of collaboration merchandise.