Y/N is a college going girl. She is 21 years old. Her brother is Ahn Hyoseop. He is 30 years old. He is a owner of a company in South Korea. The two siblings live together. Y/N is a shy and quiet girl but she is goody and bubbly around her loved ones. Lee Dong-Wook is one of the best Dentists in South Korea. He is also quiet and shy. He is always focused on work maximum time.