Valkyria Chronicles 2 had potential in what it tried to achieve, only to be left as the black sheep of the series. While it does include some nice new features, though lacking strategy due to the PSP's limitations, it also took some narrative ideas from the riding success Persona was getting at the time.
Full overview on my blog: https://artbycarlyh.wordpress.com/2021/08/12/valkyria-chronicles-2-overview-friday-streams-8-12-21/