Only demons who pass the assessment and emerge from the Demon World can achieve self-transformation, which means transforming at will. Presently, Hua Yan is still constrained by the rule of transforming at a specific time, which is a problem and the reason why she cannot stay at the school.
Hua Yan didn't know her secret had been exposed, nor did she realize that the dog she inadvertently brought home was, in fact, the same type of being as her.
Before Tangyuan crossed over, Hua Yan herself was still a normal human being, but after Tangyuan's arrival, due to the world of punishment, she was exceptionally turned into a demon.
There were no filming activities in August, so when Hua Yan needed to advance, she would just leave for a few days and only needed to ask Ning Hao to take care of Doudou.
