A limited-edition collaboration between a Japanese sushi chain and the manga sensation "Chiikawa" that kicked off on New Year's Day has sparked a buying frenzy in Hong Kong, despite a monthslong diplomatic spat between Beijing and Tokyo.Sushiro conveyor-belt sushi franchise has launched a monthlong crossover campaign in the semiautonomous Chinese region with the popular manga created by Japanese illustrator Nagano, with local media reporting that patrons started lining up as early as 5 a.m. outside some of the restaurants on the first day.Customers are eligible to buy the limited-edition me…READ FULL ARTICLE