I am not a fan of the basketball team plot at the moment, but I am willing to give it a little room to breathe in order to see how it develops. My only issue with it is that it is missing an element of spontaneity and fun because one of the kids is a criminal mastermind colluding with the principal and her best friend. It would be a better story if that element wasn't there and the whole team just started plotting together only when they are introduced to their beautiful new coach. That way, the entire story that unfolds is Luca's fault for insisting that she coach, and the principal could have fucked himself over too. I am a fan of people being hoist with their own petard. Instead, one of the kids is Lex Luthor. I also think that some players will want a pure lesbian route in the game. This isn't going to happen with the daughter, obviously, but the friend could be that option.
Perhaps a different character could play that role as a sexual Judas? One that she is close with but not involved with. It would only change one frame and a few lines of dialogue in the scene but it would make a huge difference to the story.