Why is this man sleeping on the subway?

Did he just finish a 100 hour work week?

Or is he heading home after a long night in one of Tokyo's red light districts...possibly on the heels of a 100 hour work week?

Love hotels, travel-size bongs, panty-filled vending machines, anime beer, middle-aged hookers, drunken mobs and a shop that sells nothing but condoms- they're all in "Sex, Drugs and Dougenzaka," the second installment in "It Came From Over There," Welcome to Blog's ongoing photo series on Tokyo.

DISCLAIMER: If you're under the age of 18, don't click on the link. If you're over the age of 18, you probably still shouldn't click on the link.