ROTTMNT Separated AU (DISCONTINUED)

EDIT- Discontinued as me and my ex are no longer even friends, so I have no idea how to keep going with this AU anymore. I'm sorry. If anyone has any ideas on what I could do with this AU, I'd love to hear it.

I came up with the idea of this AU a few weeks ago, inspired by a few separated AUs I saw on Instagram, and I thought I'd try making one myself!
I can't guarantee I'll update this a whole lot, and with how this AU is laid out, most of the chapters may be centered around Leo and Donnie, until I can figure out how to write one-shots with Raph and Mikey.
In this AU, Raph and Mikey are raised by Splinter, whereas Leo and Donnie are raised by my OC and my GF's OC.
I hope you guys enjoy!