The editor-in-chief of the YouTube production company <21g>, Dohyun, is secretly admired by writer Yeonhee. A simple greeting from him during their chance encounters is enough to brighten Yeonhee's entire day, and she often indulges in private fantasies about being close with Dohyun. When the writer responsible for the channel leaves the company, Yeonhee steps in to take on the role. Dohyun, who had a mild fondness for her due to her documentaries, starts to become more intrigued by her as she becomes part of his planning team. However, for Yeonhee—who previously focused on writing documentaries—the sex special proves to be quite challenging. Despite her desire to excel, she conceals the extent of her struggles. Her impeccably attractive colleague, Jungwon, picks up on her discomfort and begins to intervene. While receiving his assistance, Yeonhee makes every effort to hide her awkwardness regarding "sex" and "romance." Eventually, she succumbs to Jungwon’s provocation and inadvertently spends the night with him. Yeonhee pretends to be experienced and takes charge with Jungwon?!