I don't sleep much. Equations keep me awake.
That doesn't make sense.
The 2012 film (Korean title: Yonguija X ) is a South Korean mystery-thriller directed by Bang Eun-jin. It is an adaptation of the acclaimed Japanese novel The Devotion of Suspect X by Keigo Higashino. Streaming & Subtitle Information
The Architecture of Sacrifice: An Analysis of Perfect Number (2012) Directed by Bang Eun-jin, the 2012 South Korean film Perfect Number