User blog:Sindbad DKDK/Rin is possible to return

This week, while searching for info about Episode 4, I came across a PV to it:

https://www.youtube.com/watch?v=iVLjo0VHQsU

Also along with it, some screenshots from here:

So there is a possibility for Rin to return and to be confirmed  to be the mother of Towa and Setsuna