Yuta and Mark were friends as teens and got separated until 15 years later. 

”Calm your moobs!” Sungmin yelled at his cousin, which made Donghae gasp and cover his rather well-developed chest area with his hands while pouting. Sungmin rolled eyes at the naive boy.   “How do you expect me to calm down when Lee Hyukjae is in our school now?!” Donghae sighed dreamily. Lee Hyukjae, also known as Eunhyuk, a well-known dancer in SM Entertainment.   Donghae wasn’t exactly one of the most popular guys at school. He wasn’t someone like Choi Siwo

Jonghyun the average university student, who doesn't care how he looks like and Key, who is a fashionable pop diva just don't mix....   Or do they?        

Kyuhyun and Ryeowook fell in love with each other as teens, but were separated. Can their love last or will it be too late?