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A high school girl Aejin is bullied at school but she has a special secret. That's the fact that she is an SNS star "Genie" with 770,000 followers! Aejin is living a breathtaking double life after school. Meanwhile, she got a DM from someone mysterious...

Aejin is terrified by the mysterious DM sent by someone unknown as 'Cool Guy' He even knows Ae-jin's name, so Ae-jin is surprised and faints on the spot. Aejin tries to face him head-on because of the DM containing the threats that Cool Guy keeps sending...

Aejin doubts that 'Cool Guy' is Jin seong. She was publicly humiliated at school while carrying out Cool Guy's mission... On the way home, Aejin begins to track Cool Guy through photo hints posted on Cool Guy's SNS.

Aejin finally found out who 'Cool Guy' is. Cool Guy tells her of the reasoning process of noticing that Aejin is Genie. Instead of keeping Aejin's secret, he asks for a price...! Meanwhile, She got a DM on Genie's account...

Aejin's disappointment with Jin Sung grows, and eventually avoids him. Aejin says something that she doesn't mean to Jin Sung, who came to her house...

Aejin is bullied by Hanuel during the day but maintains a close relationship by exchanging DMs with Hanuel as best friends at night. Meanwhile, Hanel finds Ae-jin with Ho-in and humiliates her in front of the children again.

Hanuel begins to search for evidence amid suspicion that Aejin may be a Genie. Hanuel's suspicion gradually narrows toward Aejin, and Aejin trembles with fear...

Ae Jin turns around without answering Hanuel, who asks if you are a Genie. Meanwhile, Mi Jin plans to bully Hanuel with Sae Hee...

Jin Sung is preparing for his first debut stage. Before the stage, He secretly read the letter to Ae Jin. Meanwhile, Mi Jin, who has been in the spotlight pretending to be a Genie, is questioned for her uploaded picture just in time.

Mi Jin is actively engaged in activities, posting photos to Genie's account with her cell phone stolen from Ae Jin. But Ae Jin can't fight back. Ho-In, who became interested in Mi Jin, conducts a background investigation into Mi Jin's.

Ae Jin asks Mi Jin to return her phone, but Mi Jin doesn't budge. Mi Jin rather mentions Jin sung's DM and even talks about videos. Ho-In makes a suggestion to the classmates preparing for the upcoming festival..

Ae Jin came out to the auditorium after a small talk with Jin Sung in the auditorium warehouse. Messages exchanged between Jinseong and Genie were appearing on the auditorium screen. Jin Sung, who chased after Ae Jin and Ae Jin, was very embarrassed when he saw the screen...