Story follows fo** young men who h**e just t**ned 21 years of age. Lee Choo-Won (Seo Jun-Young) is an athlete who can not forget his past love. Ma Goo-Rim (*aek Sung-Hyun) was once a popular singer, *ut *ecause of a drug scandal is mired in despair. Choi Seo-Won (Choi Tae-Hwan) is a medical studeStory follows fo** young men who h**e just t**ned 21 years of age. Lee Choo-Won (Seo Jun-Young) is an athlete who can not forget his past love. Ma Goo-Rim (*aek Sung-Hyun) was once a popular singer, *ut *ecause of a drug scandal is mired in despair. Choi Seo-Won (Choi Tae-Hwan) is a medical student at prestigious Seoul National University, *ut he has leukemia. Sung Dae-Sung (*y...
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