SDDE-453 "At a group event, I made a cat ear maid cafe clerk a special pet and copulated with a trance until it became strange ..."

One day, the manager of the cat ear maid cafe learned the art. He secretly holds an event for the employee's maid who was interested. Eventually, the play spreads to some regular customers, and finally a secret party is held that keeps committing until it becomes strange by the art.