From Nakama:

One day, a couple who have been dating for a good while, decide to spice it up with role-play. In order to break down their old patterns using role-playing, cosplaying apparel has been procured – and what a cute policeman short shorts and maid skirt costume set it is! Can the perverted policeman and the rugged, manly maid reaffirm and recapture love through beating hearts and coyness!?