Ups, looks like the drawer accidentally flipped Mimi between panels.
In the first and second panels she is looking to her right grabing the paper with her left, on the third she is looking to her left grabing the paper with her right.
Uia, inesperado que el rey demonio solo va a atacar ese país ¿Será que le cometieron alguna injuria en el pasado y les prometió que volvería y conseguiría su venganza?
Maybe. We saw adult demons in the flashbacks, but maybe they age very slowly. But if that were the case I would also expect an ever bigger development difference.