A convenient location open 24 hours. If securing a private room was too expensive or far from destination, then this is the place to be. If you're up to exploring, you'll likely not be inside at most times and from the center of Tokyo everything is on the table. As a collector and shopper, having easy access to Ikebukuro, Akihabara, Odaiba, Nakano, and more made this quite a happy find.