Yutaka Kohira is a notable figure in the realm of Japanese cinema, particularly recognized for his unique blend of crime and dark comedy. His 1977 film, *Shinjuku's Number One Drunk-Killer Tetsu*, has gained a cult following among collectors for its gritty portrayal of Tokyo's nightlife and its sharp social commentary. This film stands out not only for its audacious storytelling but also for its significant place in the genre of pink film, which often explores taboo subjects with an unflinching lens. Collectors are particularly drawn to Kohira's work due to the film's limited physical media releases. The scarcity of original VHS and DVD editions, alongside the growing interest in cult cinema, has made *Tetsu* a prized possession for enthusiasts. Kohira’s ability to capture the zeitgeist of 1970s Japan, combined with his distinct directorial style, makes his films essential viewing for those who appreciate the evolution of home video and the rich tapestry of film history.