AeJun, a contract teacher at Nabit High School, has been secretly a fan of idol SiYeol while keeping a low profile. One day, his ultimate favorite, SiYeol, appears right in front of him!

AeJun is set to shoot with SiYeol. Seeing SiYeol’s friendly side, AeJun’s heart feels like it might explode… “Could you like me back?” Somehow, it seems like his ultimate favorite is teasing him.

As AeJun grows closer to SiYeol, his anticipation increases. But today, SiYeol seems unusually cold. AeJun decides to face reality… just then, SiYeol invites him into his car.

AeJun has dinner alone with SiYeol. Lost in a dreamlike state, AeJun accidentally exceeds his alcohol limit and makes a mistake…

AeJun wakes up at SiYeol's house, troubled by the fact that he cannot remember last night. Meanwhile, SiYeol, who had approached AeJun with a plan in mind, is surprised to find himself genuinely drawn to him...

As time passes, SiYeol's feelings for AeJun grow deeper. He is confused, unable to tell whether his desire to confess is genuine or part of a scheme.

Former member Ju-ha’s unexpected appearance interrupts the intimate moment between Si Yeol and Ae Joon. He reveals that he once lived with Si Yeol, leaving Ae Joon with mixed emotions. Yet as the weekend passes, the two share a lover-like atmosphere, and Ae Joon gradually grows used to Si Yeol’s presence — even preparing to confess the truth about being his longtime fan.

During a radio program, Si Yeol reveals the truth behind the past accident and defends Ju-ha. Meanwhile, Ae Joon, torn by his emotions, decides to quit the show under the pretext of overwhelming pressure. Shocked by Ae Joon’s decision, Si Yeol resolves to drop all pretenses and confess his true feelings to him.

Ae Joon firmly rejects Si Yeol’s feelings, leaving both of them heartbroken. A month later, during a radio program, Si Yeol uses a listener’s story to indirectly reveal his emotions for Ae Joon, and continues reaching out through messages and video calls, desperately trying to regain Ae Joon’s trust.

Looking back on their first meeting, their first kiss, and the night they spent together, Si Yeol realizes he has hopelessly fallen in love with Ae Joon. As filming resumes, he shines with his idol charm while showing Ae Joon a deeper affection than ever before.