Shi ga Futari wo Wakatsu Made: Iro no nai ao (2012)

Shi ga Futari wo Wakatsu Made: Iro no nai ao 2012 / 死ガ二人ヲワカツマデ…　第一章　色ノナイ青 2012 / Till the Death Do Us Apart Part 1 , Till Death Do Us Part -Colorless Blue-

The first film in an action series following the fates of a man and woman who bear deep emotional scars and darkness within them. Japanese-Chinese Meihua is all alone in the world. Seeing no point in living, he avoids contact with others and ekes out a living in the underworld. One day, he meets a budding assassin named Umi and finds peace of mind for the first time in his life. However, his happiness proves to be short-lived when an enemy appears who he is destined to fight to the death. (Source: JFDB)