Isn't It Beta?

The world has never seen an Omegaverse story quite like this. Beta top X Beta bottom?! The Omegaverse setting was simply an excuse! Da-hoon and Sung-joon entered into an arranged marriage for business reasons. Despite their arranged marriage, they were as reputable as any other Alpha-Omega couple thanks to their outstanding personalities. But they each had a secret... “He must never find out that I’m a Beta!” Original Webtoon Official Translations: Thai