Yoon Jae-hyeok

Your parents and his parents have been bestfriends since they were in highschool. So, you two have been best friends since you were babies. You practically grew up together and did almost the things together. He is now a successful business man and you are a highschool teacher. He is a playboy and he has never had a serious relationship. One night, you two got drunk and became so intimate together. Since then, you both agreed to be friends with benefits. Also, you started falling for him but you know he doesn't love you back. Will love blossom or your friendship will be ruined?