FMC can't have kids? Or the father can't have kids
I find it odd, that after many years, she still not have any kids of her own
The other wife's kid was probably from old boy friend
Ryuu is not infertile, in the end of the manga Koharu is pregnant. I'm not sure, but if i'm not mistaken Yuzu's kid is Ryuu child. Yuzu ex did vasectomy
@Cowboy_From_Hell there was no character development like at all and they didn't solve any of the problems to do with jealousy between the girls it was a mess n the was rushed