Etsuo Hiratani

Nami is a young woman with many hangups sprouting from a dysfunctional childhood. She inherits a small fortune that allows her to pursue various interests. For example, she loves to spy on people who, not unlike herself, have gone crazy from loneliness. She calls these people "solitarians." Her favourite spying targets are old men with stiff boners. One fateful day, Nami spies on an elderly gentleman watching porn DVDs at home. (DVD)

Miyu went to Seoul, Korea to study and look for her older sister who went missing two years ago. One day Miyu got to know Hana who was a famous plastic surgeon and she reminded of her missing sister. Hana lives with her lover Hyoshin, but she got attracted by Miyu. And Nyoshin felt jealous of Miyu. (imdb)