When Momo levels up in the game she says "Now I can protect Shamiko better." And she's a warrior, but her skills give her aggro and a defense buff like a knight.
@elevown It has some in the events (the recent New Game, Kinmoza and Yuyushiki events had a lot of flirting), the story mode focus more in the OCs made for the game, one of them likes to lick girls, but besides that you're better reading the events.
If there's something I learned from this author is that he never disappoints. Considering the setting Anna will probably have moments with everyone, but also considering the author's tastes Mei is the clear winner by far, it'd be harder to figure out if everyone else had animal ears too.