Royal Caribbean cruise line has cruises to Japan from China. There are departures from Shanghai, Hong Kong, and Tianjin to Japan ports such as Sapporo, Tokyo, Nagoya, Kyoto, Kochi and Hiroshima. See the full list of cruises below.
Royal Caribbean offers many shore excursions in Japan for your enjoyment. Soak in the hot springs of Beppu. Visit Peace Memorial Park in Hiroshima. Explore the ancient temples of Kyoto. Shop for designer fashion in Tokyo. And cruising out of Hong Kong is an unforgettable experience in itself.