Sejin, a prestigious college student, has a rich and pretty girlfriend, Minhye. Sejin is increasingly irritated with her relationship with Minhye, but she uses a blind date application introduced by her friend Moohyuk. Through the blind date app, she meets a woman who needs to be dispatched. Se-jin, who was neglected and stressed by Seol-hee, accidentally reads her diary while having a meeting with the aim of joking with Seol-hee, and realizes that her first love is herself. Se-jin gets to know Seol-hee's sincerity and Seol-hee gets better. Then one day, while Se-jin confessed her love to Seol-hee and was dating, her girlfriend noticed her relationship with Seol-hee. But, what kind of choice will Sejin make?
Eun-seo
Campus couple Tae-ho and Eun-seo join the same graudate school to sit in lectures for the most powerful person in Korean journalism, Lee Hee-hyun. On the first day of school, Lee Hee-hyun takes a liking to pretty and smart Eun-seo and uses his authority to try and seduce her, but fails. Hye-jin realizes what the professor is trying to do and spends a night with him, getting herself to the syposium. Eun-seo questions the result and asks Lee Hee-hyun for an explanation. He asks her for physical pleasure and Eun-seo is just confused...
