Who Are You: School 2015

A student suffers relentless bullying at school while her identical sister lives a peaceful life elsewhere. A sudden turn of events sets a mysterious connection in motion, bringing their two worlds closer.

A girl wakes up with no memory, surrounded by unfamiliar faces treating her like someone else. As she steps into a life she doesn’t recognize, questions begin to rise about who she really is.

Back at school, she tries to fit into a role that doesn’t feel like her own. Odd glances and rising doubts from classmates make it harder to keep up the act, as the truth threatens to surface.

While flashes of the past start returning, school life grows more complicated. A friend’s growing interest adds to the confusion, and buried secrets begin edging their way into the light.

Eun-bi adjusts to life as Eun-byul, but her strange behavior catches attention. Yi-an grows uneasy, sensing something isn't right with the girl he knew.

Eun-bi is stunned when So-young joins her new school. With her past bully now nearby, she's terrified her secret might be exposed.

As So-young starts connecting the dots, Eun-bi struggles to stay hidden. Yi-an is confused by Eun-byul's odd actions, and Tae-kwang shows growing concern.

So-young tries to reveal the truth, while Eun-bi relies more on Tae-kwang. Yi-an’s suspicions deepen, and Eun-bi finds it harder to protect her real identity.

Eun-bi’s hidden identity starts to raise doubts. Yi-an is torn, while Tae-kwang supports her unconditionally. So-young’s bullying worsens, but Eun-bi begins to stand her ground, slowly regaining confidence as secrets begin to surface.

Eun-bi bravely confronts So-young, refusing to be a victim anymore. Yi-an struggles with his feelings, sensing something is off. Tae-kwang continues to protect Eun-bi, while the truth about her past edges closer to being revealed. Tensions rise at school.

Eun-bi opens up about her past, earning support from her classmates. Yi-an is shaken by the truth, while Tae-kwang stays by her side. So-young faces consequences as her bullying is exposed. Eun-bi finally starts to reclaim her identity and confidence.

Eun-bi learns that Teacher Min-young is Soo-in's sister. As secrets from the past surface, Teacher Kim uncovers Min-young's true identity and her ties to Soo-in’s tragic story.

Eun-byul returns and boldly faces So-young, reclaiming her life. The twins reunite, and Eun-bi chooses to live as herself. Tae-kwang finds out the truth about her identity.

Eun-bi discovers she was mistakenly declared dead. Teacher Kim resigns to expose the school's wrongdoings, while Tae-kwang struggles with his father’s role in the scandal.

Yi-an lets go of his feelings for Eun-byul. Teacher Kim says goodbye after addressing the class. Eun-byul visits Soo-in’s grave, seeking forgiveness and closure.

Eun-bi embraces her true self and finds peace with her past. Yi-an, Tae-kwang, and Eun-bi go their separate ways with hope and maturity. Friendships strengthen, and the school year ends with new beginnings and healing for everyone.