Mahiru ni Odoru Hanzaisha

When you need "Anything" done, you can turn on our protagonist and his three companions.
"Anything" goes from babysitting to investigation of extramarital affairs, even criminal acts such as kidnapping or robbery. Whatever it is, it will be done, as long as there's enough compensation.

Of course there's a downside to this business. Everywhere you look, danger lurks in every corner. While he didn't want to see it, the protagonist saw the dark side of a corporate giant. And thus begins our protagonist's fight...

(Source: Getchu)