Which one would you pick?
When you get a little closer the messages become all the more mysterious.
It's tempting to try bars at random. However, this is likely to get expensive fast. Most have a seating charge. It could also be dangerous. While the vast majority of Japanese bars are safe: some aren't.
The best way to explore the world of Japan's small bars is to find a friend who knows the landscape. These bars advertise badly for a reason — they survive by building a network of loyal customers who introduce their friends to the bar.