There’s only one way to find out – head to your local Tsutaya, GEO, or DVD rental shop and check out the foreign movies section.If someone strikes your fancy, make some casual conversation and you might end up in bed with a sexy new partner.
In Shinjuku, these areas are right outside the Kabukicho exit, in front of Alta (with the large TV monitor overhead) next to the fruit shop, and outside the west exit.
In Ikebukuro the West and East exit are both good, although the East exit is more younger “normal” crowds, and the West exit tends to be more salarymen and red light crowds (including workers heading to and from their shifts, if that’s your thing).
If you’re a girl looking for a hook-up, it can be as easy as walking slowly past these areas by yourself and making eye contact with these guys.
Then, when they approach simply smile and demurely mention you’ve missed your last train.
If you end up talking to one for a while, you want to determine what her/his plans are for the night.
If they are waiting for a friend you could either try to get their contact information for another day, or alternatively, try to befriend the friend when they arrive and join the party for a drink!
Keep in mind that as groups splinter off heading to different train lines, you generally have only until the ticket gates to make a good impression before she enters the station.
Within the first minute or two you want to communicate that: While many of the Japanese nanpa-shi will offer short, rapid-fire invitations to girls with low probability of success, you can easily outperform them by adjusting your game to be a bit more human and less robotic and shady. Mention whatever it was you were just doing – eating with friends, drinking, etc. Ideally, by the time you invite her, she’s paying attention to you and engaging with you in conversation.
Whether their night was a success (drinking with their friends) or a feat of endurance (watching the clock until the boss stops drowning them in shochu and forcing them to listen to rude jokes), the transition to the last train usually has people in a good mood.