Books in the Love Is an Illusion! series

"Hye-sung spent his entire life believing he was an alpha, the jackpot of the genetic lottery. His world is flipped upside down when he learns that he isn't a dominating alpha, but a submissive omega instead! His frustration redlines whenever he crosses paths with the handsome Dojin, a true alpha. Supposedly, Dojin can't stand omegas, but sparks fly when he butts heads with Hye-sung, and their explosive arguments set off an unexpectedly spicy relationship. Is their sizzling chemistry truly just pheromones?!"--