The darkness of Rikka's ice doesn't go unnoticed, even before Lance comments upon it. Neither does the expression on Alice's face, which Mana immediately reconciles with what Alice admitted to her earlier.

Both of them... both of them... how much had they been suffering?

... This was the absolute worst time for a reunion like this. But Mana knows something like this is needed, so she gently guides Alice to Rikka and...

... she pulls them both into a hug, holding them together as tight as she absolutely can.