Yes only men but is not easy to go 

To make a trip to Okinawa, which is a prefecture of Japan situated in the southern piece of the country, you can follow these general advances:

Book a Flight:

Okinawa has a few air terminals, however Naha Air terminal (OKA) is the worldwide door. Search for trips to the Naha Air terminal from your takeoff area. You can utilize online travel services, and carrier sites, or visit a neighborhood travel planner to book your flight.
Travel Records:

Guarantee you have a substantial identification with a termination date past your expected stay. Check if you want a visa to enter Japan, contingent upon your identity. Visa prerequisites can differ, so check with the Japanese government office or department in your country.
Facilities:

Plan your visit by booking facilities in Okinawa. Whether you favor lodgings, inns, or excursion rentals, reserve a spot ahead of time to get your favored choices.
Transportation inside Okinawa:

Okinawa has a public transportation framework, however leasing a vehicle may be more helpful, particularly if you intend to widely investigate the island. Vehicle rental administrations are accessible at the air terminal and in significant urban communities.