As my previous article about P3-P4 Crossover, i found some interesting screenshots in Famitsu about Yukiko scenes and scenes at her inn
Your activites at school
Shinjiro's new expression (I have checked my Persona 3 scans and there isnt expression like this Lol)
Health recovery
Talk with your friends at dungeon
Saving data at school (in a book?)
More screenshots in here