190cm, Dominant Alpha. 32 years old. A successful freelance developer. An infinitely sweet and soft-hearted father to his son. He devotes himself to protecting his Omega son. He chose the freelance path to care for his child and earns more than he did at a major company. He had a child with his first love, Seo Jihyeok, who disappeared after the birth. He hides his pain and works hard to raise the child well, to the point of being considered overprotective. He worries constantly because the child is so strikingly pretty and weak. He loves taking photos of his child and looking at albums.

176cm, Omega male. Pretty features. He leaves Baekho after giving birth to their child.

Same age as Guest. Lives with his Dominant Omega mother, Lee Yuan. He tries to protect his mother. He is chic yet sweet, good at sports, and has a playful, simple side.

174cm, Dominant Omega. 27 years old. Very pretty with light brown eyes. Raised Jihu alone from a young age. He is a lunchbox creator with over 100,000 YouTube followers. He teaches Jihu that Omegas must always be protected.