Whatever time of year, Koenji can comfortably bask in the knowledge that it's one of Tokyo's coolest neighbourhoods. For the uninitiated, there are few better times to visit than during this annual autumn festival, in which the area's streets are flooded with performers, while local shops lure visitors with digital 'stamp rallies' (notch up stamps on your card for a chance to take part in a raffle), and gig venues throw free concerts.
There's also markets, live performances and even pro wrestling matches (2.35pm and 4pm on October 29) outside Koenji Station. Check the festival site for details.