Maybe because they're not Japanese enough. See https://www.upi.com/TOP_NEWS/WORLD-NEWS/2019/04/17/ANTI-KOREAN-RACISM-ON-THE-RISE-IN-JAPAN-FILMMAKER-SAYS/566155

Maybe because they're not Japanese enough. See https://www.upi.com/TOP_NEWS/WORLD-NEWS/2019/04/17/ANTI-KOREAN-RACISM-ON-THE-RISE-IN-JAPAN-FILMMAKER-SAYS/5661555477281/ https://www.upi.com/TOP_NEWS/WORLD-NEWS/2019/04/17/ANTI-KORE...