A collaboration café commemorating the 15th anniversary of the publication of *My Youth Romantic Comedy Is Wrong, As I Expected* will be held at “Cafe Lish” in Jimbocho from September 18 to October 30, 2026. Four collaboration drinks, each priced at 1,100 yen and inspired by Hachiman Hikigaya, Yukino Yukinoshita, Yui Yuigahama, and Iroha Isshiki, will be available, along with a “book cover cake” priced at 1,800 yen, featuring a design chosen from four different book cover illustrations. Customers who place an order will receive an original coaster as a bonus.