Osaka has sex industry. This sex industry is pretty sophisticated compared to before.

They adopt service that is good for foreign men. Japanese girls make efforts to please men during the service.
You can see all escort girls are attractive on Osaka escort website. They also write about their service. Please take a look.

By the by, men do not set things when you use Osaka Escorts.
3some is possible in delivery health in Japan. Extraordinary adult entertainment like 3some will satisfy foreign men for sure.
You cannot taste ecstasy dominated by two Japanese girls together in other places but Japan.

Foreign men must be dominated if Japanese girls molest you together. You should tell them your request if you have.
For example, getting blow job while another girl does facesitting is possible. That would give you a shocking ecstasy on your body.