Everything a girl needs to know about these pay-by-the-hour ubiquitous rendezvous spots. You’re walking along a busy, brightly-lit Tokyo street when you encounter a downright outlandish building. The private entrance has a sign reading “stay” (宿泊, shukuhaku) and “rest” (休憩, kyukei). The building has fancy lettering, typically neon signs and a quirky name like Hotel Oz, Casablanca or Hotel Fooo. By now you realize that you have not encountered a regular hotel. You’re standing in front of a Japanese rabuho (love hotels). Welcome to the not-so-hidden, pay-by-the-hour (or night) pleasure accommoda…