"My Favorite Couples in Omega Verse"

The future. When I realized that something I thought would be lost forever had returned, my hands shook with joy and astonishment. Yuther Aile is a commoner and the first omega to become a commander of the Imperial Cavalry. He is killed for a crime he did not commit, when he wakes up, he finds himself 11 years earlier, before it all began. He cannot repeat his previous mistakes. To survive and save the world he must now save the man he once killed! “My future won’t be the same as before. I’ll make sure of it.”

Seo Dogyeom, the young master of a mansion, and Yoon Seowon, the housekeeper's son, share a secret bond despite their different social statuses. After a kiss, Seowon falls in love, but Dogyeom abruptly leaves to study abroad. Five years later, Seowon, now an adult, is about to leave the mansion when Dogyeom returns and offers him a role as his pheromone partner.

Woojoo and his older stepbrother Hanbit have always been close, with Hanbit doting on his little brother as if he had known Woojoo from the very minute he was born. However, Woojoo has a little secret… Swearing to push his forbidden feelings away, Woojoo tries to behave like an innocent little brother in front of Hanbit, until one day, Woojoo suddenly manifests as an omega. Now, Woojoo is not the only one with a secret…