Saudade「Akashi x reader」

The feeling of missing something or someone.
It is used to tell about something that you used to have but don't have anymore...

What would Akashi do if the girl He's interested in since Teikou transferred to Rakuzan?
But the girl asked a favor from him, which he accepted.
The favor was to help her regain her emotions again, but why did she asked him when others can help, like he's former teammates...