[Myssa Rei]

Ignore SaintessHeart. He just has trouble imagining how one of his favorite girls might have a thing for implied Firetruck on Firetruck action between Keima and Yui.

Spoiler for Reaction to 170:

As for the spoiler... Holy... Those look like fetal-positioned and cocooned level 5s, which is BAD NEWS no matter how you look at it. And it looks like they're being tended by some New Devils as well. Suddenly things are much more serious than just failing to save Kanon in 2 days.