NEET de Otaku na Kunoichi to Naze ka Dousei Hajimemashita

ニートでオタクなくノ一となぜか同棲はじめました

A man is the target of a certain kunoichi's mission, and a lot of blood was spilled to learn this. However, it's said that a kunoichi takes some "liberties" with the mission... Or are those part of the mission too?