I could be wrong (or it's the artist's style) but I think the "Ayanami" that has showed in these past pages so far is actually Shikinami.
Edit: I checked a few pages back and its definitely Shikinami. Notice how her hair isn't as longer as Ayanami's and the front of her hair is also different.
Updated
Se...ADMIRAL!!Eh!?That's Setogawa-san!?Yeah. Since yesterday, he's been taking fierce training from Maru-yu, y'see!!I'm the one who's at fault!I won't tell you to be reckless anymore, so...!... Well, he isn't coming up.