I ended up caving and bought the costume select box. Love to hear which one I should get.
I already have Hades, Mars, both Maat, Nicole, and Aria.
Whoever you fancy. I'd get the Bikini Lisa.
Its simple: What Child do you need often?
Unfortunately the question doesn’t make it simple. The only character I almost always use is Maat but I have all of her costumes. I just ended getting Olga because I am not big on looking at non-human child lol!
I chose sytry