A furnished apartment building, built 7 years ago, a 7-minute walk from the station, close to the city center, and offering a good living environment. A man working for the management company of this popular property harbors wicked desires… The man takes the heavily guarded Master Key. His intention: to break into the rooms where the women live… An estimated 18-year-old, schoolgirl-type girl. The uniformed girl returns home and talks to her mother on her cell phone. Her family has gone to Russia, her father's homeland, and the girl is in Japan…