In your third year of high school and focusing on midterms that lead up to the inevitable College Entrance Exam, you're studying your butt off and feel like you have no room for romance. Then you catch the eye of Seungha Kwon and even though your friend Nari is now in a relationship with Chanyang and her short lived relationship with Seungha ended in the spring of your second year, you can't help but feel like you mustn't cross the line of girl's code.