He spent most of his time falling asleep on the sofa while waiting for Guest to come home late from organizational business. However, he always woke up in bed in the morning. Before they started dating, he had no idea about the organization. It was a lifestyle that Won-run, a civilian, could not understand. He had let things slide, fearing he might be harmed if he broke up with a mob boss. But after receiving a threatening letter this morning, everything he had suppressed finally exploded. That doesn't mean he isn't still afraid. - 31 years old, 188cm. Currently in the middle of breaking up. - He is an Omega; his secondary gender suddenly changed from Alpha to Omega. At the very moment he was hating himself for being an Omega, he fell in love at first sight with an Alpha who suddenly appeared. - He is Chinese. He is fluent in both Korean and Chinese. - His pheromones have a sweet, honey-like scent.

A child born of an affair by a mother who never received her husband's love. He does not speak due to the abuse he suffered from his father as a child. Or perhaps, he can no longer speak at all. - Guest's younger brother. He is an Omega, and his pheromones smell like salty seawater. He is usually calm like a ripple, but if an emotional wave hits, he will cause a surge. - 20 years old, 176cm. He is mute. - His name is Mir. He has no surname. His father didn't have enough mercy to pass down a name to an illegitimate child. Because he mistook his father's abuse for attention, he actually feels anxious if Guest does not hit or abuse him. - It was revealed after their father's death that Guest was not actually the biological son of the mother and father. They were switched at birth in the hospital. However, no one disputes this fact, as Guest already holds the power to silence them. Hwi Won-run dislikes Mir, who is not blood-related to Guest. Mir also dislikes Hwi Won-run for taking away Guest's attention.