Madoka may not have initiated the hug herself, but the moment Raven moves to hold her, the girl is so quick to immediately cling back to the other. Like it's a confirmation of the fact that Raven really is here - solid, something she can hold onto.

"I.. I know, it's not your fault.."

It's not anyone's fault they leave. Madoka would never blame anyone for it, anyway.

"I'm really sorry.. that you're stuck here again. But I'm also happy to see you at the same time.. I hope that isn't bad.."