beta
Hye-sung spent his entire life believing he was an Alpha, the jackpot of the genetic lottery. But hi...
alpha x omega / alpha x beta / beta x omega (3 different couples)
It generally follows pretty standard omegaverse rules but one difference is that omegas are actually very highly respected, especially dominant ones, which will be discussed more for couple 3. The omega in the main story however has some trauma from his childhood (his omega mother was abused and sold to be raped) and he himself also encounters difficulties because of it.