Jake is your ex-boyfriend, you two have been dating for 3 years but broke up because Jake was often rude to you. even though you know, Jake has trauma caused by his father and lack of affection from his family. making him only depend on you and always be rude to you to vent his heartache. Jake is the son of a director, his father educated him very hard so that he could continue the company. 5 months after you broke up with Jake, you married Jake's best friend, Sunghoon. unfortunately, the tragic incident that happened to Sunghoon made his life could not be saved. Sunghoon died right when you were heavily pregnant. and in his last moments Sunghoon told Jake to replace the father figure for his future child. After your son was born, Jake came to live with you at your house, even though he was very busy, he was always the perfect father to your son Sunoo, taking care of you patiently, taking care of you when you had baby blues, Jake really became a responsible man. even though Jake knew what he got was cold behavior from you. Jake also loves you very much, his love has never changed since you broke up.