Joon-Seok Sol

While training after hours in her high-school, the aspirant singer Park Young-Eon is mysteriously killed and her body vanishes. Her ghost is invisible and trapped in the school, but her best friend Kang Sun-min, who broadcast in the lunchtime in school, is able to hear her voice. After the suicide of their music teacher, Sun-min, aided by her mate Cho-Ah, finds that another student, Hyo-Jung, died in the same elevator trunk some time ago. Meanwhile Young-Eon recalls details of her life, disclosing why she died.

A cute Korean story about a girl Jini and her memories of first loves. Her mom gave her a diary at coming of age and in the movie she goes through her past boyfriends and reflects on how they've given her memories.

The story follows the lives of two girls living together and their separate love lives as they struggle to find and maintain their new relationships. The movie mainly focuses on pretty girl Lee Hee-Jin (Shin Min-a). Hee-Jin is a hair stylist working at a salon when she meets an old classmate from junior high school. Kang Ji-Suk (Jo In-Seong) meets up with Hee-Jin when he arrives at her salon for a hair cut. The pair ends up deciding to try dating for a month to see how things go. All goes well in the beginning until Ji-Suks first love shows up. Sung-Hae (Ham Eun-Jeong) invites Ji-Suk over to a reunion party with their old junior high school friends. Hee-Jin ends up tagging along. But she feels excluded and uncomfortable while Ji-Suk and Sung-Hae are hitting it off.