Even with the top continental ranking and players of vast international experience, Hajime Moriyasu’s Japan squad faces a journey into the unknown in back-to-back World Cup qualifiers against North Korea. Asian qualifying resumes Thursday with Japan hosting North Korea in Tokyo. Five days later, Japan will be playing in Pyongyang in front of a potential crowd of 50,000 — almost exclusively North Korean — at the Kim Il Sung Stadium. The Japan Football Association’s request that the match be moved