Itou-san

Every Tuesday night, a mysterious man named "Itou" visits Kyosuke, who is a prostitute, and talks to him about silly things until dawn. One day, he brings a briefcase full of money and tries to give it to Kyosuke, telling him that he wants him to quit his job and do something he truly wants to do, however...

(Source: Cocobees)

Included one-shot: Cage