Please don't forget to subscribe :), thanks and comment. and upvoted. 

Please bare with my English. If anything wrong with my spell, i'm sorry. 

The characters:

KIM TAEYEON (18) : a school's nerd because she love to read book like a nerd. Bestfriend with Sunny, Hyoyeon and Seohyun.

TIFFANY HWANG or HWANG MIYOUNG (18) : a bully's school because she love to bully people. Care about her image and really cold. Bestfriend with Yuri, Jessica, Yoona and Sooyoung. 

KWON YURI (18) : a prankster because she love to prank people especially her ice princess. Bestfriend with Sooyoung, Tiffany and Yoona. Has a girlfriend also her bestfriend, Jessica Jung

KIM HYOYEON (18) : a protective friend. Bestfriend with Taeyeon, Sunny and Seohyun.

JESSICA JUNG or JUNG SOO YEON (18) : a ice princess because her cold personality. Bestfriend with Tiffany, Sooyoung and Yoona. Has a prankster girlfriend also her bestfriend, Kwon Yuri

LEE SOONKYU or SUNNY (18) : like hyoyeon, a protective friend. She hurt when her girlfriend care about her image more than their love but she hide it with her cheerful personality. 

CHOI SOOYOUNG (17) : a shikshin in her group. Bestfriend with Yuri, Yoona, Jessica and Tiffany. She also has a girlfriend, Sunny but hide it because of her image. Even she care her image, she always protect her girlfriend from afar.

IM YOONA (17) : a second shikshin and also a pranskter like Yuri, love to prank her girlfriend, Seohyun who was a nerd but because of her image, she didn't tell anyone especially her bestfriend, scared if someday they left her. Her bestfriend are Jessica, Tiffany, Sooyoung and Yuri. Even she care her image, she always protect her girlfriend from afar.

SEO JU HYUN (16) : a nerd's school because she also love to read book and always hang out at the library. She really hurt when her girlfriend hide their relationship because the latter's image more than their love. Bestfriend with Hyoyeon, Sunny and Taeyeon.