[Pellissier]

Upon confronting the voices,

Spoiler for seiyuu:

Yes, I also think it's the same seiyuu doing both Reiko and Mikami.

I also wonder why I did not notice this suspicious "Miyamaki Misayo". I guess that when we checked the list at the beginning, there wasn't a meaning in Yomiyama Misaki yet, so we just let it slide.

By the way, something else I noticed in episode 11:

Spoiler for episode 11:

Remember Mikami's blank glare at the beginning? This one:





I was sure I already saw it somewhere and probably in this series, just that I couldn't place it correctly. But a few posts above, when haguruma said to check episode 3 from minute 16:00 onwards, I did... and I incidentally found what was secretly stored in my memory:



Now this was the piece I was missing, what I thought I had seen but couldn't place. Aside from camera angle and position, it's the same exact blank expression of someone who's completely lost in his mind... if not more.