Ichi the Killer (殺し屋１ Koroshiya Ichi) is a 2001 Japanese film directed by Takashi Miike, written by Sakichi Sato, and based on Hideo Yamamoto's manga series of the same name. It portrays a story of feuding yakuza gangs primarily through the actions of a scarred and psychologically damaged man, Ichi ('One'), who is manipulated into assaulting or killing rival faction members. Wikipedia
Funaki: Kakihara! What the fuck do you think you are doing? Kakihara: (referring to Suzuki) Just a little torture.