Swallowtail Butterfly

An industrial section of Japan got the name of Yentown as many immigrants come to make money and hope to go home rich. A small group of people in Yentown try to work together to survive, there is a girl named Ageha who has no family, Glico the hooker, Fei Hong a poor immigrant from Shanghai, Arrow an ex boxer from the US and Ren the mysterious guy who seems to know too much about guns. Fortune shines upon them when they find a cassette that we'll get them rich but along with money trouble will always follow.