Those only with "!!!" are what you're looking for but all these are mpreg
Kiraide Isasete (Forever Favorite!!!)
Keeper of the Pearl
Love Shuttle !!!
Surge Looking for You
Kiss Me, Liar
How to Snag an Alpha
Unromantic !!!
Heat and Run !!!
Dear Benjamin !!!
Like a Tidal Wave !!!
The Origin of Species
Struggle
It's My Baby!
Love Percentage
Smyrna & Capri (not abo but mpreg) !!!
Wolves Behind Bars
Hyacinth
Gold Gray
Gorani Jeon
Butler
Unscented Trajectory !!!
Who's Your Daddy (not abo but mpreg) !!!
Hosik's Story (not abo but mpreg)
Omega Bus Stop
Ni Jiu
Haven
The Rogue Prince is Secretly an Omega
99.99% Lovers
Macguffin
One of the Four
Dog's Love Way (not abo but mpreg)
Blood Link (not abo but mpreg) !!!
My Hyung's Sunbae
Ring (not abo but mpreg)
Love of Cloud and Rain (not abo but mpreg)
Habibi's Rabbit (not abo but mpreg)
Mpreg with.. ya know..with an uncharacteristic bottom/omega. a strong, handsome or masculine one pls