The two of them hate each others they are always fighting, until one day they, the both of them is in their classroom, to broke the silence sheng said "can we be friends, until this afternoon, if there's a provement then can we be friends, we can stop fighting each other and saying bad words to each others can we?" then Seungri said "of course we can be friends and you like we can be friends until we graduated in highschool", "Oh! that's great seungri, so friends" said sheng while smiling then Seungri said "friends". After that conversation the both of them happy because they know each other's life and favorite's. While they're taking their break, all students are shock that their Mr. Stupid and Ms. Stupid are friends now.

After a months Seungri realize that he's falling to his enemy that became his bestfriend, he didn't know how to say to Sheng what is his feelings for her. Sheng is the same as Seungri she realize that she's falling to her enemy that became her bestfriend and she didn't know how to say to Seungri what is her feelings for him but one problem that Sheng's have that's is she have a cancer and she might die that she can't tell yet her feelings for Seungri.

One week had passed and yet didn't know their feelings for each other, and that one day is Sheng's sick is became worst until one day Sheng is confined to the hospital because of her cancer and Seungri didn't know it, and he's worrying because Sheng is one week absent he is always visit Sheng in their house but she's not there.

After Seungri's class he went to Sheng's house to check if she's there and tell what is his feelings for her. When he arrive to Sheng's house he knocked their door but no one opened it, the neighboor of Sheng said "oh!, young man there's no people there they went to the hospital", "why?" question of Seungri to the neighboor, and start panicking "i heard that Sheng is confined to the hospital because she have acance" answered the neighboor. After he heard that he went to his car and go to the nearest hospital to see if it's true. 

When he is in the hospital,he ask to the nurse where is the room of Sheng Lee after he heard the number of the room, he went immediately to the room and is it true he saw Sheng lying on the bed sleeping, he went inside and sit to the side of Sheng and hold her hand, and Sheng's feel that someone hold her hand she look at her side and saw Seungri's crying, "Seungri what are you doing here and how  did you know that I'm here?"
 question of Sheng to Seungri,