Bijin hokesofu: Nozokareta imushitsu (2003)

Mako, the company doctor at a trading firm, was on cloud nine after winning the heart of Endo, an elite employee. One day, Kiriko—a career-woman colleague who joined the company at the same time—came to borrow the key to the infirmary. Kiriko was promiscuous, using the infirmary as a love hotel to bring in men from the office. Only Mako and Hiromi—another colleague from their intake year who suffered from depression—knew this secret. When Kiriko came to borrow the key as usual, Mako headed to the rooftop for a cigarette, only to find...