Park Chorong, a normal high school student who fallen in love with the most popular boy in the district, Luhan. She had been liking him since the first year of high school. Chorong finally had the courage of expressing her true feeling toward him. But in returned, Chorong got her heart in pain when the one who she love making fun of her in front of the school with thousands of students. Chorong's heart were soon became aware of love and never believe what call 'together happily ever after'