Zodiac Killers (極道追踪), Ann Hui, 1991

While studying abroad in Japan, Hong Kong student Ben Lee becomes friends with his mainland Chinese classmate Chang Chih while studying abroad in Japan. Ben is unmotivated to research and only cares about money, and on the other hand, whenever Chih encounters a Chinese person, he would ask whereabouts of his childhood sweetheart. Ming is also from Hong Kong. He becomes involved with a bar hostess and owner, Yuriko, hoping to become Yakuza leader Yamada Ishikawa’s brother-in-law to elevate his social status.