Kekkon Shite Kudasai!
omega with kid ends up as the marriage of counselor of his mate alpha who doesn't remember that they became makes because he was drunk and in heat
Romantic Joutou
omega bonds with alpha but marries and has a kid with beta best friend
Koishite Baby (MIYAKO Mimeko)
omega buff pole dancer x alpha childhood friend who decided to be a floor boy to protect his "younger brother" uke; omega confesses to alpha and they decide to mate and have two kids. pretty male wedding dress/tux hybrid
Kurui Naku no wa Boku no Ban Beta
beta was in love with omega but that omega bonded with an alpha; new omega joins workplace and the beta and omega fall in love but that omega bonds with an alpha for the sake of stopping estrus; the omega decides to surgically remove the bond to the alpha in exchange for having a shorter lifespan, and becomes family with the beta
Kedamono Arashi: Hug Me Baby!