[Mami's widen in surprise as she recognizes Homura's handwriting. She didn't expect her of all people to answer this. But she realizes that she's... happy that she did. She brushes her fingers against the page before taking her own pen to write an answer.]

And now you do?

We were all trying to make things right in our own ways, I guess. But those ways... need improvement.

[Mami would do things differently too, given the chance. And she does regret her wish too, for other reasons.]