Ruki0089@ He alredy told you. He was serious i remember some one say a spoiler about something similar happen.
She does something to save kamito life from what i remember but she will back. Is vol 6 that we don't know what will happen after *that* scene(another one).
Spoiler for big spoiler that people give us:
Restia *die* in kamito arm..or rather disappears there is even a pic about this one in this topic. Anyway we don't know what will happen aftert vol 6.
And this is the pic(the one they post here).