Rust

Ha Maru, a butcher who works at a livestock company, is sent by his manager to go on a business trip to Japan. However, not long after, he finds out that his workplace is a criminal organization operated by the Yakuza. In order to survive in this dangerous environment, Ha Maru struggles very hard and slowly awakens his hidden talent in using knives. The butcher, who has now set foot in the underground world, challenges the top of the criminal world to survive.