I used to never understand Gender bending, but after some time, I've found it pretty enjoyable. I even run a quest online that has it. More Gender fluid really, but it's fun to see how scenarios can change based on gender.
Communication is key. Perhaps an event can bring them together closer or take the gradual route. Just remember poly means more than one relationship between them all. I'm sure you can work it out from there.
Pokemon probably has a brutal side it not known, but they're too chicken to make it cannon. We only know about 1 or 2 wars that went on, but no war crimes? Bs.
Got into Pokemon when I was coherent. Thirsted for more cartoons ever since until I realized Manga was a thing. I then realized not every great story got adaptions so I started scrounging around for other ideas and plots. Got irritated about not seeing diversity in stories and thought, 'Do it...