This story is about a member of Girls Generation (SNSD) Choi Sooyoung back from her childhood until now, how she became best friends with Kwon Yuri when she was just in grade 1 who be her future sister in law and how she met Kim Taeyeon her other sister in law in the future and how Kim Kibum (SHINee) patiently waits for Sooyoung to love her and how Kyuhyun (Super Junior)