'Where am I?'
The moment Sofony opened her eyes and saw that she was in an unfamiliar place, her heart dropped, and she began to look around frantically. It was a second later that she realized her tied were tied, her mouth gagged, her bare feet also chained. Her state made her realize she was in a very confusing and bad situation.
Dark ceilings, cold floor, sounds of rats, cries of females… As these details made way into her brain, memories also started to pour into her mind, allowing her to remember that she was attacked near the elevator where her sister vanished.
After that was a blinding flash and light that engulfed her… and teleported her somewhere she didn't know? Was her memories not playing with her?
It is already hinted from several chapters from other arcs. The concept is that the world is composed of many layers and the previous setting is just the surface layer. Remember too that before Gio is encased in ice, he's sent to an unstable world. That place is actually a realm in one of the layers. XD
PS: I assure you all that at least the MCs won't be separated for so long, unlike last time.