This is the first I've ever heard of there being a Hooters in Japan.
According to their website, Hooters are in the following countries:
United States
Canada
Aruba
Dominican Republic
Philippines
Australia
Ecuador
Singapore
Austria
Germany
South Africa
Brazil
Guam
South Korea
China
Guatemala
Switzerland
Colombia
Japan
Taiwan
Costa Rica
Mexico
United Kingdom
Czech Republic
Panama
Virgin Islands, U.S.
Sonic going for worldwide domination.