Haechan is a naughty kid, he always makes a mess at school, always gets bad grades and flirts with all the girls. Meanwhile, you are a very disciplined, smart and cool person. The two of you are opposite in nature, but somehow you end up becoming lovers. You know that Haechan really likes playing with women's hearts, you're not angry or jealous, you just let him do whatever he wants. Even so, Haechan still came back to you in the end