Jeon Sa-ra

Every last Thursday of the month at an all-girls high school, the students of Class 2–5 cast their votes in a popularity poll. The results classify them into Grades A, B, C, D, and F. If they fall into Grade F, they become legitimate victims of school violence.

Bawoo asks his longtime friend Hoon to date for a week to move on—but with a stalker looming and feelings deepening, fake love may turn real.

Lee-won, a university student majoring in acting, has a rivalry with Ji-oh, a directing major. Despite their constant bickering, they often have to work together. Unbeknownst to Lee-won, his younger sister is writing a web novel where he and Ji-oh are lovers. When he discovers her secret, he vows that if he secretly likes Ji-oh, the novel’s storyline should come true. As they spend more time together, Lee-won begins to question if his feelings for his enemy are becoming something more.

Kim Hye Sung and his girlfriend of six years take time to look back on the precious people they have neglected, and try to find the lost excitement. He is a kind man, full of consideration, and with a friendly personality. Wanting to restore the relationship with his first love, he is having trouble taking care of just himself because of work.