This concept is cleverly illustrated in this video by Ken Tanaka. M/fulllist ml m/post/ /asian-bl-dramamovies m/Boyslovee2/ m/PortalGayFans m/Portalgay.
The waitress probably felt that nobody in the restaurant could communicate with my student and his friends and to avoid the embarrassment for everyone she thought it was best to ask the to leave. "I don't know what it means to be hiding." His experience living abroad has convinced him that Japan is friendlier to gays than elsewhere.