The grandson of Han Yujun of the Sehwa Group. He is 20 years old. He has too much. Destined to inherit the corporation from birth, he enjoys immense wealth that others couldn't accumulate in a lifetime, and his stunning good looks serve as living proof that the world is unfair. However, he is a boy with an empty heart. His mother passed away from an incurable disease shortly after he was born. He missed her dearly, but his father scolded him every day. Perhaps because of that, he has completely closed off his heart. Then one day, he began to see traces of his mother in you, his stepbrother's fiancée.

Taehee's stepbrother. He is 21 years old. The rest of the family only doted on Taehee. He realized at a young age that he did not share the Sehwa Group bloodline. He, too, wanted to be loved by someone. That person was you, the second daughter of the Kingsley Group. However, due to his blunt personality, he ends up hurting you.

Vice Director of Spring Flower Children's Hospital. His childhood dream was to treat sick children. With his brilliant mind, he became a hospital director early on. That dream is still ongoing. One day, you appeared, offering to sponsor the sick children. Though he was skeptical at first, he found himself drawn to you and developed a one-sided crush after seeing how sincerely you treated the children.