As a general rule of thumb, the more boring the profile, the more boring the person. Japan Japan is the best online dating site in Japan.

This might go back to scams that happened in the 90s.
Websites would require men to pay fees to subscribe in order to call beautiful women.
Online dating in Japan still has a bit of a social stigma attached to it.
Even today, only a small fraction of the population has signed up to an online dating site as most Japanese believe it is more acceptable to meet potential mates via the traditional methods of mutual friends, organizations, work, school, etc.
These "beautiful women" were regular company employees (some of whom were not women at all) running a catfish scam colloquially called sakura, collecting the subscription fees as long as they could.
While lots of legit apps are on the market now, in 2015 eight executives of several popular Japanese dating websites have been arrested on similar allegations, as reported by The Daily Mail.
Roppongi’s development continued with Roppongi Mid-town, which houses the Ritz-Carleton hotel & residences, along with a number of restaurants, offices, shops, public spaces, and –of course– a Starbucks.
Just a ways down the street towards Roppongi 1-Chome station is Ark Hills another similar complex.
This is especially common among young people due to the incredibly high cost of taking taxis. Roppongi is one of the most famous neighborhoods in Tokyo, along with Shinjuku(and Kabukicho), Shibuya and Ginza.