[LuckyCat]

Originally Posted by Matrim

Spoiler:

I think one interesting possibility is that she might have found that her suspicions were wrong and she had killed her sister and other people for naught which led to her suicide.

You had me until that...

Spoiler:

I think it's Mion who gets shoved out of the hospital window in episode 8. I mean the person who was in the stretcher at the end of eight was the person who was in the jail cell. It would be quite a feat for Mion to switch back at this point. I think Shion survives this arc.