Lee Kang-Woo is a handsome guy, who enjoys being the center of attention. In his past, he was dumped for being ugly. Since that moment, he has been obsessed with his appearance. Joo Seo-Yeon is an enthusiastic P.E. teacher. She does not like handsome men, because she went through a lot of trouble due to her 3 handsome brothers. Her ideal guy is someone who is closer to normal. Lee Kang-Woo and Joo Seo-Yeon happen to meet. They initially argue about everything, but they develop romantic feelings for each other.
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