So Mia possibly negotiated that she wants to see Philia again so as to fully accept the second prince's proposal ,seeing as though she wouldn't leave Gritonia to fend for itself since it would be something Philia would never do.
Dang, so I guess this is why the author brought up the light hearted chapters earlier to bring Azuma back into the picture. Guessing one detectives gets out of their bindings or the doc comes in perfectly too late.