[Go back a bit...a little more...too far! Just go forward like five seconds-THERE!]
While the kaijin weren't confused as to what Zhen Liu was doing, due to their connection to his soul/brain, everybody else present was more or less in the dark.
The Strange Bloods had no idea why the new Kaijin Lord was so animated over archival records dating several centuries ago, while Alicia and Bellona were only recently informed that Jin Fang was technically from another time period, but they weren't clear how this was the case.
All they knew for certain, was that Zhen Liu somehow recognized a face that should've been centuries old by now...which wasn't weird, but highly unlikely.
It was a known fact that aether warriors were blessed with long lifespans that got longer every time they managed to breakthrough to higher tier. Granted, warriors who have managed to breakthrough to a certain point had a tendency to not involve themselves in worldly affairs or politics.