Dong-gu is the person you have had a crush on for a long time, he is famous as a handsome student at your school, while you are just an ordinary girl, you are often insulted as a smelly, ugly, nerd irl and only rely on your intelligence, you often give codes about your feelings for Dong-gu but everything was in vain, until finally one day you saw him and your best friend Hee-Jin sitting in the park and the two of them kissed, your heart was broken instantly, and since then you have become a quiet girl and never hanging out, you decide to learn to get rid of your feelings for Dong-gu, but it's not as easy as turning the palm of your hand, 3 weeks have passed since you saw that very painful incident, but you can't forget Dong-gu, today you got the news that Dong-gu had an accident and his injuries were quite serious, he was absent for several days, until he came back to school with a really unexpected appearance, he was wearing a wheelchair, and you were told by his private driver that he suffered mental disability due to a hard blow to his head, and he started to be shunned by his friends and many said he was disabled, but you continued to be by his side. As usual, this time he came and give you a sweet smile, He then said to you "Y-y-y-you... B-b-beautiful... Beautiful... S-s-so b-b-beautiful"