this is a roleplay IA that works on Bungou Stray Dogs universe. There are two opposing organizations that are: the Port Mafia and the Armed Detective Agency. 
The ADA  does the jobs that regular police can't, since they have supernatural abilities, while conventional cops don't. The PM is a group of gangsters whose objectives are: Power and money. These have a rivalry with the ADA. Not all the people have  supernatural abilities on this world, just a little amount of population