It’s summer, it’s a pool, it’s a resort!

–The black cat branch of Daimaya Honpo receives a request from a certain resort pool. Recently, there has been a series of incidents of lewdness in the facility, targeting mothers and daughters. They are all very excited to be working at a high class resort pool where they have no connection to each other on a daily basis.

Meanwhile, the Tsukihaku sisters are visiting a deserted island to investigate a different matter. In order to find out the truth about a horrible incident that once took place. ………