Guilty+ - Jukubo Gui ~Moto Guradoru no Okaa-san~

Shirou is an illegal debt collector. When the debtor is a woman, he always makes her his sex slave, taking advantage of his position. One day, he visits Kazuhiro's house to collect the debt, but he's been missing for a couple of months. His target goes to Hitomi, Kazuhiro's wife.... His insulting gets bolder and bolder, involving Rumiko, Hitomi's neighbor....