Ryu Da-in

The series follows the bittersweet relationship between a banchan shop owner whose daughter enters the war of Korea's college entrance exams, and a top hagwon instructor.

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.

In Daechi-dong, a prestigious neighborhood fueled by academic obsession, desperate students turn to a forbidden stimulant to boost their exam scores. Instead of academic success, the drug unlocks a terrifying side effect, forcing the children to hear the whispers of vengeful spirits. As the community transforms into a hunting ground for evil forces, an exorcist priest named Antonio must risk his soul to save the possessed students.

The series follows the bittersweet relationship between a banchan shop owner whose daughter enters the war of Korea's college entrance exams, and a top hagwon instructor.

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.

In Daechi-dong, a prestigious neighborhood fueled by academic obsession, desperate students turn to a forbidden stimulant to boost their exam scores. Instead of academic success, the drug unlocks a terrifying side effect, forcing the children to hear the whispers of vengeful spirits. As the community transforms into a hunting ground for evil forces, an exorcist priest named Antonio must risk his soul to save the possessed students.