Sungmin is a High school girl who love to hang out with her brother Hyukjae and Hyukjae's bestfriend Kyuhyun. they grew up together since childhood and sungmin has a big crush(not just a simple crush) on Kyuhyun. How will she tell Kyuhyun about her feelings for him knowing that Kyuhyun heard her jokes on the phone which he thought Sungmin mean it.

---gender: male-Kyuhyun, Hyukjae,Yesung...female-Sungmin, Donghae, Ryeowook