In order to uphold a Shimogamo family tradition, Yasaburou needs to do what Yaichirou could not and come up with a leisure cruiser for them to launch. He asks to borrow Yakushibou's flying inner parlor, but ends up having to make a dangerous deal with Benten.

During the traditional Daimonji leisure cruise, the Ebisugawas come to pick on the Shimogamo family. Yasaburou fights bravely, but loses the Fujin Raijin folding fan. Fearing Benten's wrath, he goes into hiding after the inner parlor crashes.