One day, a mysterious doodle is discovered in a classroom, causing a stir. "Min-ji, I like you. From. Min-ji." Coincidentally, there are three students named Min-ji in the class, and all three deny having written it. Of course, one of them is lying and is determined to deny it at all costs. But as one of them is naturally ruled out as a suspect and the other two become the focus, a bitter feeling begins to creep in.
