On Jun. 11, the FIFA World Cup kicks off in Mexico City. The coming days will deliver an opening ceremony spectacle, dazzling goals, dubious VAR calls, a viral celebration dance, at least one penalty shootout that ends in tears, a managerial firing, and the lifting of the trophy at MetLife Stadium in New Jersey on Jul. 19. Forty-eight nations, 16 cities, a global television audience that will dwarf any other event on the calendar. The drama is guaranteed. There is one other absolute certainty, and it will play out post-game, not on the pitch but in the stands: The Japanese Cleanup. At every World Cup since their country’s debut in France in 1998 , Japanese supporters have stayed behind after the final whistle, pulled out blue plastic bags, and worked the rows, picking up cups, wrappers, and discarded flags until their section looked the way they found it. The ritual has been performed in defeat as well as in victory.…