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________ is a person who believe in lucky charm and such thing. She has a BIG crush on the warm-hearted guy who can melt any girl with just a smile, Lee Donghae. Well, you can say that she's kinda a cheerful one. But not in Kyuhyun's eyes. In Kyuhyun's eyes, she's just nothing but a rubbish. He always make ______'s and her friend's life miserable. One day, ____ made a vow if one day Kyuhyun falls for her, she will dump Kyuhyun badly. Slowly, Kyuhyun thinks that she's warm and funny. While Donghae secretly thinks that she's kinda attractive. How will she ends up? Should she stand for her vow, dumping Kyuhyun and ends up with Donghae? Or forget about the vow and enjoy the High School love with Kyuhyun?