Read a short book called "Mutsui's Story". You can get it on Amazon pretty cheap. It's the story of a low-ranking samurai who dips into the black market, spends a bunch of time in the red light district, and so on. Also, it's an autobiography, so it's right from the source!
https://www.amazon.com/Musuis-Story-Autobiography-Tokugawa-Samurai/dp/0816512566
Musui's Story: The Autobiography of a Tokugawa Samurai https://www.amazon.com/Musuis-Story-Autobiography-Tokugawa-Samurai/dp/0816512566
Musui's Story - autobiography of a 19th-century samurai who spent his life drinking, whoring and fighting around Japan while defending the common people.
The Confessions of Lady Nijo - autobiography of a 15th century imperial consort who got kicked out of the capital for cheating on the emperor with half the town and became an itinerant nun.