JoJo's Bizarre Adventure - Cost of information (Doujinshi)

The story of JJBA: Cost of information begins in Italia in 2008, where Jarold Jamiroquai, 23-year old man who is living with parents and goes to work every day, is secretly working on mafia. His job is to spy for people possessed by the stands with supernatural powers to discover the bizarre abilities they have.
Everything goes fine, he is living quiet live, until one day his friend got a lot of problems…

Follow the story of Jarold and his faithful friends, full of bizarre battles and clever enemies, find out the mystery of underground casino, reach the Nirvana and discover who is standing behind strange murders all over the world.