Na Mi Rae

• An 18 years old girl who lost both of her parents at such a young age
• Living with her adoptive parents since 10 years old
• Has a bestfriend named Bora who is 4 years older than her but they have lost contact after Bora's family had moved to Busan
• Her adoptive parents treated her badly and forced her to find a job even though she was still a student
• They even asked her to pay for their debt with her salary

Kim Jongin

• A 21 years old guy who inherits her family company but decided to leave all his wealth
• This is because her mother, Mrs.Kim forced him to marry Son Naeun, daughter of WestEnd Company
• He works as a delivery man in one of the restaurant in Seoul to make some money
• Lives in a small apartment instead of his mansion in Gangnam to make his mom realise that he can make a living without her help
• Often had dreams of someone but he does not know her at all and the girl turns to be Na Mi Rae