Main Characters:
*Tiffany Hwang
-Happy Go Lucky
-Cute Eyesmiler
-Dog Lover

*Taeyeon Kim
-Cold Inside
-Bipolar
-Has a twin named Taejoo

*Kwon Yuri
-Tiff's BFF
-Kind Hearted
-Gentelman

*Im Yoon Ah
-Overprotective GF
-Yul's GF
-Frienemy of Tiffany

*Jessica Jung
-Taeyeon's Fiancee
-Ice Princess
-Doesnt like Tiffany that much
And many more ........