Wow, it looks like you've really painted yourself into a corner by failing to think things through before acting. Been there, done that, printed them T-shirts by the gross, and my hands are stained from the ink forever...

This will likely not end well and is going to probably be painful for all who are involved, sadly.

The only outcome that I can think of where all three participants end up happy is a FMF/CNA trifecta. And, with the likelihood of that working itself into a reality is very likely very low. Attempting to get them to agree to a 3-way relationship may be worth trying, however.?. If you do pursue, just go into it knowing that it is likely a low probability exercise and that you could walk away entirely relationship-less. You'll have to weigh that one out yourself. If it were me, knowing what I know and having experienced what I've put myself through, I'd say go for it, as any other outcome probably won't be viable anyways.

I find myself thinking that a total implosion might be for the best, regardless. I say this as it will just enable you to cut your losses and to start the fuck over somewhere else, eventually with someone else, and (I recommend) only after you've figured out how to prevent yourself from fucking things up again.

In the end, it is probably good that you and your ex split, as it sounds like there wasn't a good foundation there anyways. Is it correct to assume that you and your ex did not have children?

The only real advice that I can offer is for you to stop lying to your aunti and let her know about it all (her daughter having had her pussy pummeled by yourself some 30-ish times), vs. thinking it is a one-time event, as you have led her to believe. Then see if there is a way for you to salvage it while having your cake and eating it too.

It seems that there is an abundance of deceit herein and I question the viability of any of the relationship dynamics that may be possible outcomes.

It is ironic, but I see some parallels from your scenario to my past. Back then, then-me was a real dick. I didn't like what happened to then-me which was only caused by my then-self. A total implosion eventually transpired costing me a marriage and any relationship with my children. And I find that, because of the pseudo-similarity, I have a bit of a knot in my tummy for you.

I really hope this works out for the benefit of all who are involved. And know that, even while shite can hurt a lot, time has a way of healing almost everything.

Good luck. I suspect that you're really going to need it...