YOGA

Yoga is a 2009 South Korean horror film directed by Jae-yeon Yun, and starring Yoo Jin, Cha Su-yeo, and Jo Eun-ji.

One day, after meeting an old friend, Hyo-jung, decides to go to a strange Yoga academy to get some help with her appearance. Upon arriving at the institute, she is welcomed by a mysterious woman who tells Hyo-jung about certain rules to follow during the week-long intensive training. The rules are: 1. Don't eat, 2. Don't take showers within an hour after the class, 3. Don't look at the mirror, 4. Don't speak of the program outside the building, 5. Don't call anyone. As the training progresses some girls decide to break some rules, and one by one they start to disappear. At the end only one of them will be able to make it to the last day and thus reach Kundalini and discover the real beauty.