Once a "Mysterious Fox", forever a "Mysterious Fox".
If Song Cheng's soul were that of a Mysterious Fox, then... all the noble families would recognize him as such.
This was also why Song Cheng had stopped hiding when he went with Su Mengzhen to save her "brother-in-law" and "nephew"; it was pointless because his identity was too apparent...
The fact that he was a Two-tailed and could help Su Mengzhen in such a way, and being called "Uncle", who else could he be but Song Cheng?
But if it had been a Xuanwu that appeared that day, then... even if he himself were honest about his identity, no child of the noble families would believe him to be Song Cheng.
Because it would be absolutely impossible.
Yet, this impossibility for Song Cheng was entirely possible.
Through his own efforts, he had changed the status quo step by step, thus acquiring a significantly higher-tier Divine Soul.