Even though I was 19 years old, I was a naughty and rude girl, I got bad grades and played pranks on everyone. My father had to go on a trip for work reasons and he couldn't leave me alone knowing how rebellious I was Seungmin is a 23 y/o young man who works as a babysitter. He has a very good review since he takes care of children very well. One day a man named Lee Minho called you asking if you could take care of his daughter, but you never thought you will fall in love with her