Hageo opens the Yorozu Agency in the Kabukicho entertainment district in Shinjuku, and a detective named Ookura makes himself at home there. The first one to knock on their door though, is a high school girl looking to get a gun.

Sequel starting from an alternate ending to the tragic end of the original series.

*Note: Published in Bessatsu Shounen Jump 1974 no.1, 2, and 3.*