Double Face ~ Sennyuu Sousa-hen (Japanese Drama)

Description: Two men, a detective and a gang member, infiltrate each other's organization. Soon they find their fates intertwined. Detective Jun Moriya ([Hidetoshi Nishijima]]) has climbed the ranks of a criminal organization and is a mole planted by the police. He has developed a relationship with gang member Hiroshi (Atsushi Ito) like a real brother.