Seeing Honoka happier/more open compared to how she was in the earlier chapters, gives me some happiness. These two are so cute together. Elisha better not go back to America.
I hope she does. And came back to bring Honoka with her, for a wedding of course.
My hypothesis is this cliffhanger is where the "end of the world" bit comes in, teleported not just a distance away but a time away, aka the future, where this demon has destroyed/enslaved the world.
I wouldn't mind being that demon's slave, just sayin'