Hikikomori is a Japanese phenomenon. It can't be an American phenomenon because it describes people living in Japan, influenced by Japanese society. Japan and A

Hikikomori is a Japanese phenomenon. It can't be an American phenomenon because it describes people living in Japan, influenced by Japanese society. Japan and America are night and day. Also, people devoted to exercise are probably not recluses (which is what Hikikomori are), but they may be introverts. Reclusion != introversion.