Des：Hibiki and Mitsuki are hostesses at a snack bar where Ayano is the manager. Today, I was trying to attract customers in front of the store, but there were not many customers coming in. One day, Ayanos senior approached her and said, ``Concafes are popular these days, and ``How about something like Ninja Concafe? Immediately, the three of them change into revealing kunoichi costumes and practice, but they start to feel erotic... and the rehearsal develops into lesbian play.