This is going to have one of those "Roll for random direction" effects isn't it? To explain why it's sent over at "Nami"

Well, that or it's just a push and that where they happen to be positioned.

I love Rika egging this on, knowing full well what's about to transpire.

from what I remember Snaji kicks Lucy and sends him flying.. right into the Log Horizen.
I mean Log Pose.

I got the impression that Rika have already figured what risk to happen.