So I'm going off Korean translations which so far been trustworthy but you never know so I can't confirm the validity of this.

So at the end of the chapter you recieve a communication from someone named Balt(?) Andes who says that they are traveling in the North Atlantic. He states he is waiting for surivors of the correct timeline and gives a rendezvous coordinate.

The kicker is that at the end he says he's Balt Andes of the Wandering Sea.

What is the Wandering Sea you may ask.

Much like the Clock Tower and the Atlas Academy it is another magical association, the final of the trio. It's pretty much not mentioned at all in Nasu's works, it's only claim to fame being that Nero was once part of the group. No, not the cute one but Nrvnqsr Chaos. Yes the dude from Tsukhime.

Obviously that dude long forsake that association along with its magics but whats interesting is what the Wandering Sea studies. They believe modern magic along with its advancement is shit and only magic from the Age of Gods is worth studying and learning. Consideirng what the lostbelts are about, bringing back this association after decade is pretty damn interesting from Nasu.

Of course this guy may be a complete fakeout (pls no) but the fact is that Wandering Sea has been mentioned which is pretty fucking rad. Could be potential antagonists later on, especially if one of the Lostbelts never left the Age of Gods and they want to keep it that way. (So the coordinates could be a trap)

Basically I'm excited for more lore and somewhere deep in my heart, I begin to hope for more stuff from the Tsukhime side