A speed contest is being held in a public restroom in a station building in Tokyo! Hikaru Konno, Mako Konno, Aoi Shirasaki, and Marie Konishi take on the challenge! However, their opponents are ordinary men! They are surprised by the sudden turn of events and just run away! They use every trick in the book to seduce the unwilling ordinary men! They make full use of schoolgirl uniforms and tiny micro bikinis! They even make full use of costumes such as nude aprons! Just how many minutes will it take to get them to ejaculate? An ordinary man unexpectedly ejaculates and ends up cumming inside! The battle for the pride of popular AV actresses is about to begin!