Fukuoka Hakata: A Giant Cruise Ship Arrives

The setting is the Port of Hakata, Fukuoka. One after another, the largest passenger ships in history arrive from Shanghai, and 6,000 Chinese passengers land in Hakata. They have to eat, shop, and go sightseeing by the minute, and then return safely to the ship. The events happen one after the other. An unseasonably large typhoon is also approaching. What is the story behind the riot?