I just noticed that. Does their relationship gs nowhere romance-wise in the light novels? If that's the case I may just drop this manga, I'm already reading too much stuff.
@PK Trash: I think it's one of the best rpgs I have ever played, an evident improvement over its predecessors, but I wouldn't get into it exclusively for the yuri.
"but why a child" everyone asks? Because Itou Hachi. I usually don't care either way, but for this particular story an adult Eve would have made better sense.