Yoona,Taecyeon and Yuri are childhood friends. Taecyeon and Yoona fall in love to each other and they just start to dating until one day Yoona knew that her sister, Yuri said that she likes Taecyeon since their childhood. Yoona didn't want her sister feels hurt. How about their relationship? What is gonna happen ? What will Yoona do ? What will gonna happen if the new problem show in their love ?

OK TAECYEON as OK TAECYEON

Fall in love to Im Yoona

Team of 2PM

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IM YOONA as IM YOONA

Fall in love to Ok Taecyeon

Team of SNSD

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KWON YURI as IM YURI

Fall In Love to Ok Taecyeon

An Older sister of Im Yoona

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2PM

SNSD