Nouryou-sen is a roofed pleasure boat which is open only during summer vacation season in Tokyo Bay. It has been continuing since 1953. Every summer, from July to September, Nouryou-sen opens for about 3 months.
In this event, [Yukata dancers] put enthusiasm into the Nouryou-sen. Since 1999, people who want to board a Nouryou-sen was grown up, because of Yukata Dancers. In 2012, the number of people who boarded a Nouryou-sen is over 12 hundreds people. Now, this event is known as big and popular summer event. In the middle of August, this is the most busy season, many people wait to make a reservation.
If you can board this ship on perfect weather day, you can see fireworks of Tokyo Disney Land or other fire work.