Jihan is a Beta in a relationship with Yoonseo, a younger sibling of his neighbor whom he has known for a long time. Now Jihan learns he has changed into an Omega and is pregnant! It is clear that the father of the child is Yoon Seo, an Dominant Alpha, but Jihan decides to abort the child for Yoonseo's future, who is still a university student. However, Yoonseo told him that Jihan's pregnancy and transformational changes were a ruse concocted by himself. "Because from the start hyung was my omega, and you will always be mine..."
Pheromone Baby