Love at first sight——thats exactly how Taeyeon felt when she met Tiffany Hwa

Having a boyfriend and a girlfriend at the same time was very confusing for Taeyeon. She had Siwon, the guy who admired her since highschool and, Tiffany, the person she truly loved. Taeyeon thought that choosing between them was the hardest decision s

It all started when the dork Kim Taeyeon becomes the new roommate of Hwang Tiffany, one of the most popular girls in their school. Tiffany has a lot of admirers and it irritates her because she doesn't like them. So she asks Taeyeon to pretend/act as her