SHE TOTALLY COULD. I imagine his mons just get used to her coming and sleeping over and don't think anything of it.

Which also means their teams are going to interact more, WHICH SHOULD BE FUN. Given most of his team won't be dragged into their petty squabbles and won't put up with bullshit from them either. I.E. despite the disagreements between Chaos and Darkness over who is leader, there's no outright fights between them. So Darkness would happily teach Snickerdoodle how to undermine a 'figure who believes they are of power', i.e. Chiffon!