Negative Yuusha to Maou-gun Kanbu - Vol. 5 Ch. 26

[MangaDex]

 

[Schmibbity]

I'd say maybe instead of security being solely in charge of fighting off intruders, security can do more non-active work like checking on different departments and making sure everything is safe and up to standard.

 

[thycondrius]

This manga can go deep sometimes