[Eryops]

Originally Posted by Ferny

If I could get all my questions answered, I would greatly appreciate it!

The second season answers almost all your questions.

Originally Posted by KoiYuki

Spoiler for Answers:

3. Not really. She can see Hanyuu and all that, but she's not really a reincarnation (maybe a messenger).

Rika is the reincarnation of the god. That's why she can interact with Hanyuu in the first place.

Originally Posted by Maho Momo

Spoiler:

4. I thought they made the mistake when Mion and Shion were kids. I remember reading that they were both really young and that they were switching places. I was also lead to believe that Mion and Shion knew that they were in the wrong places, which would mean that they had to be old enough to remember.

Indeed. If they had been switched at birth then there wouldn't have been a problem, since 'Mion' would have always thought of herself as Shion and vice versa.