How to approach the new kind of relationship i’m in?

Hello, my partner (M) and I (F) have been together almost two years now. We are both bisexual, and monogamous. However we have had several open discussions about our mutual gayness. We have talked about involving others in our relationship, together or privately, in order to express the gay parts of ourselves. We are super open, sexually and otherwise with each other. Nothing of this nature has happened yet, aside from me showing my breasts to a girl at a party, and him putting money in a male drag kings thong. We 100% encouraged each other in both of these situations and it actually seems to make our sexual spark together even better. This is the first relationship like this i’ve been in, and we both respect each other greatly and I love the feeling of “freedom” if I choose to use it. Anyways, i’m moving to his city soon and there’s a huge gay population and the area he lives in is really sexually open, it’s great. This means that I could find a lady partner soon. Our dynamic is certainly unique, or at least new to me. My question is, if I was interested in a woman, how would I appropriately and respectfully explain all of this to her? I wouldn’t want anyone to feel like i’m hunting a unicorn, or taking advantage of someone else’s bisexuality. I feel it’d be rude to show interest in a woman and then reveal I have a partner. As a previously single bisexual woman, it’d also be off-putting to learn about that immediately. I’m just unsure, and it makes me nervous to enter this world. I want to make sure i’m being respectful of my partner and any potential partners. Thank you for any advice y’all have for me.