Japan needs immigrants, but do immigrants need Japan?

It refers to the practice of categorizing people into one of two groups — insiders or outsiders. Family, friends and close acquaintances are insiders, referred to as “uchi,” while “soto” is for those relegated to the periphery.

For this Japan-obsessed student in Vietnam, it felt like a warning: she could be about to enter a deeply closed society that would always consider her an outsider.