[ That would be one way of proving it to them all, she supposed but that would be going against the exact promise that she had made to her good friend. ]

That would go against the promise that I made to Akira-kun about you two being able to stay together. You might be able to find another way.

[ She didn't want to help Akechi as much as she wanted Akira to remain happy. He deserved to be happy. ]