Goumon Baito-kun no Nichijou (Series)

This is a world where killing and torture are legalized. Sero, a part-time worker at a torture company, enjoys torturing people every day with his senior colleague, Siu. With the addition of new part-timers Mike and Hugh, fun torture life continues! The gap between the at-home, easy-going workplace and the gruesome torture is bound to attract a lot of addicts! (Source: Hakusensha, translated)