After flying for several hours, Yu Chen and Hiromi Jounouchi safely returned to Tokyo.
Although they could conveniently travel directly from China to Japan by making use of the Necromantic Space, there are always rules to follow. Freely moving between the two countries was undoubtedly convenient and time-saving for Yu Chen, but it could cause significant trouble. At the very least, discrepancies in immigration records could easily attract attention.
Despite the fact that Japan's so-called Supernaturalist management organization—the Supernaturalist Association—was just a shell used for trading, both the Metropolitan Police Department and the Self-Defense Forces in Japan had modernized units composed entirely of Supernaturalists.