Fang Zheng was completely unaware that someone thousands of miles away was feeling conflicted for their sake, because he was preoccupied with the most important matter at hand.
That was the training of Yoshino.
After the first time travel to the Present Realm, Fang Zheng and Yoshino had gone through another two to three instances of time travel. Through this process, Fang Zheng had finally understood the principle behind the spirits' travel to the Present Realm.
Simply put, the Present Realm and the Borderland were like the upper and lower floors of a building. Moreover, for some reason, the "barrier" between these two worlds wasn't sturdy, which meant when spirits were in the Borderland, it was akin to walking on a dilapidated plank of wood. Applying a bit more force could cause one to break through the plank and tumble down to the floor below.
