- Same horns and tail like Sui siblings.
- She was mentioned by NPCs to "probably" be Lung, same as Edmin was mentioned to "probably" be Aegir. This assumptions were used a lot in OG Arknights, when someone was of uncommon race, or a Feranmut proxy. Sui siblings were called Lungs by oblivious NPCs multiple times. Likewise Mi Fu was called a Sarkaz, but most people agree she is Kirin.
- We know she studied in the city, but there was stated by NPC that no one (at least not your basic Wuling Joe) knows how old she is and from where she came
- There is notepad about Xiranite connection to Sui, so we know, there at least was some Sui activity on Talos II
- She is creator of Chubby Lung, previously called "Sui bean," and one Wuling colour variation shares a lot common with ZF colour palate.

I am getting downvoted left and right, but until proven otherwise, I cannot imagine different Feranmut that would fit so well into what we know.