I was expecting Persona 5 to be "lazily" made to be completely honest. While Persona 3 and 4 are good/great games, a lot of the fanbase does get feverish and erratic when it comes to assigning praise to the series. Persona 5 didn't need to be that different to hype up the fanbase.
Persona 5 in my head was another highschool story revolving around how highschool sucks and how this group of teenagers fights monsters and demons as a form of release. I was expecting similar dungeon crawling as well.
Instead the style, cast, narrative, dungeon crawling, is completely new and fresh compared to past Persona games. Pleasantly surprised by all of this.