Makoto is working part-time while trying to pass a qualification exam. He has no hobbies and his only pleasure is watching the videos of "Mrs. Robinson," a mature woman with large breasts, whose face is not revealed to the public. Just looking at her moist lips, you can tell she is beautiful. And his other pleasure is opening the curtains and seeing the married woman on the other side, unaware that Makoto is watching her, living her life in a defenseless state... Makoto's life becomes rosy after he finds out that the two women are the same person...