Jun Usami Movies

Ninth and final film in the Boy Detectives Club series. Features Tatsuo Umemiya's film debut.

1961 Japanese movie

Seventh film in the Boy Detectives Club series.

An orphan Mihato Mari works as a secretary at a spinning factory.

Based on the short story The Psychological Test by Edogawa Rampo.

Made after Takechi had won an obscenity trial over Black Snow (1965), the film has been called "Takechi's personal message to Eirin."