Hi people!

So I'm looking for a fic that I can't remember the name of at all, or the writer, but basically:
Jared is the second breeder of his master in a very unpleasant world. His kids (called pups), unlike the first breeder's, are destined for sale rather than staying in the family. He's submitted to abuse daily, and when he goes into labor at the same time as the first breeder, he's punished and left alone for not being able to take care of the first breeder. Half the babies he delivers (with Jensen's help) are dead, the other three are masters. (his market value rises after that so at some point his first master sells his kid and first breeder to buy Jared back)
Jensen is a very mysterious doctor who really seems to dislike Jared but SPOILER he's actually made a deal with a space witch when Jared died in a previous life, to give them another chance. He's in pain at seeing Jared in his new life and feels very guilty ( he can remember their past but Jared can't, he was actually born again in that world.) In the end it turns out that the witch set them up for failure, she put JAred in that dimension because she thought it was 'fun' to see their struggle because their love was real.
In any case they end up together, Jared has to stay with someone else on a farm (like a house in the country) before that. His owner then (maybe Ty?) doesn't think Jensen won't be a good owner because Jensen refuses to discipline Jared by whipping him and stuff. Eventually he does get Jared. One thing that I remember from Jared's POV is that he thought to himself that his hips were naturally wide so he could accommodate his Master in between them. Also Jared rreeeeaaalllyyy wants to get pregnant but he loses his baby with Jen at least once.
-An important character is Misha, primarily as friend of Jensen. He hooks up with the other breeder who was at the farm with Jared.
-Second breeders can't come, so when Jensen gets Jared he has to flip the switch (I think it was some sort of chip) to first breeder. Jensen sees the controls digitally projected in his head.
-When Jared is with Jensen they pretend the other breeder from the farm is Jensen's second breeder, and two other breeders try to murder Jared (and kill his unborn baby) by poison because Jared is much less experienced as the other farm- breeder and they didn't think it was right.
- Way at the end they manage to escape that world. there's a control room with some sort of veins that lead to other worlds and Jared does something so travel between those worlds would become very hard in there.
much much more but I hope this was enough details. Thanks so much for reading!!