This story circles around the lives of Suzy,Jiyeon,Krystal,Sunny and Hara, five girls whose clique falls apart
after the disappearance of their friend Yoona. Months later they begin recieving messages from a mysterious figure
using the name "Y". At first they think it's Yoona herself, but after she is found dead, the girls realized that someone else knows
their dirty secrets-including long hidden ones that they thought only Yoona knew. 

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~CHARACTERS~

Bae Suzy~ The "artsy girl" of the group and a girl who has nothing to hide but ever since she met her English professor,
she began daydreaming about him and often fantasizes about him.

Park Jiyeon~ The "It girl" of the group, she was previously fat and ugly until Yoona gave her a makeover and DIRTY tips to make
her stay beautiful.She also became the most popular student in school ever since Yoona disappeared.

Krystal Jung~ The "preppy girl" of the group, she's a perfectionist and is always afraid she won't live up to her
parent's high expectations.She was the only one in her group that stood up to Yoona and was probably one of the last persons to see her.

Lee Soon-kyu / Sunny~ The "jock girl" of the group.Sunny was closest to Yoona before her disappearance and was also in love with her.
She falls for most girls she sees and hides her true identity.

Goo Hara~The "play girl" of the group and has everything, including her sister's boyfriend.

Im Yoona~ was the leader of their clique and the most popular girl in school before her disappearance and death. Although she cared for her friends,
she knew their deepsest secrets, which she used to control them. Charming and Manipualtive, Yoona was skilled in blackmailing everyone around her