Shinjuku no Ookami offers a gritty tale set on the streets of Tokyo's Shinjuku district and promised of a high degree of freedom. Yakuza's Wolf of Shinjuku's main character is Eiji Mikami, and he's known as the Lone Wolf. Mikami is a 35 year old detective who lost his son three years back and, due to complications resulting from that, is now separated from his wife. You have access to the police's crime database, allowing you to learn what kind of crimes have taken place -anything from drunks fighting it out to more serious homicides. From there, you're free to head out on the town to investigate.