As the headquarters of the Super Natural Disaster Countermeasures Room.
The building's protective measures are naturally extremely thorough, and the level of protection is seriously powerful.
There are countless Exorcism Talismans, densely packed Reaction Techniques, and layer upon layer of Barriers that work on both the living and Spirit Bodies. There are also subtle suggestions laid over every inch of land, constantly causing Scattering of Loiterers and preventing clueless ordinary people from wandering in through the wrong door by accident.
In this kind of situation, it goes without saying that the whole street and nearby area benefit from it.
A huge area in the surroundings has been scrubbed clean, turning into a patch of pure land where Evil Spirits won't intrude.
