Characters -Sungmin [Main] -Jessica [Main] -Sunny  -Heechul -SJ Members [Lee Teuk, Eunhyuk, Donghae, Kyuhyun, Siwon, Yesung, Ryeowook] -SNSD Members [Taeyeon, Hyoyeon, Yoona, Seohyun, Tiffany, Yuri, Sooyoung]   Main Couples