It can be fun. There is so many girls, is nice to add variety of personalities.
This is why i hate the fact that there is no exhibisionist options for their personalities. Same issue that annoy me in AI shojo. I can have a lot of sex with a girl, give her full sexual experience, have sex in public, let her go around naked... but still if they spot me in the shower room they go "oh, no... IN THIS ROOM being seen naked by the guy that fucked me in every position, every hole, every day, in the middle of a crowded area, is so embarassing..."
I kind of miss the "broken" trait of the artificial girl games.