Sweet Revenge - Season 1

High schooler Yeo Eui-ju secretly writes web novels by night. When four charming new teachers arrive, they inspire her stories and shake up her school.

A boy falls to his death at school, but Ok Chan-mi does not believe that her twin brother, Park Won-seok, committed suicide. Chan-mi transfers to her brother's school, Yongtan High, and meets Ji Soo-heon, who witnessed her brother's death. A "hero," who avenges bullied students, appears at Yongtan High. Chan-mi speculates that it may be connected to her brother and starts looking for this hero.

The top 0.01% of students control law and order at Jooshin High School, but a secretive transfer student chips a crack in their indomitable world.

After a chance encounter in LA, two teens from different social backgrounds reunite at an exclusive high school attended by Korea's über rich.

Years after surviving horrific abuse in high school, a woman puts an elaborate revenge scheme in motion to make the perpetrators pay for their crimes.

Go Nam-soon, a young boy, constantly gets bullied by a group in his class. Later, one of his old rivals joins his school. Eventually, they are able to sort out their differences.

After a traumatic year, all an Indian-American teen wants is to go from pariah to popular -- but friends, family and feeling won't make it easy on her.

No Go Jin is the most popular mathematics instructor in the private education field and the CEO of GOTOP Education. Even though he has only a high school level education, he has achieved all of his success due to his extreme intelligence. He seems like a perfect man with a handsome appearance, high IQ, and wealth. He is also narcissistic. One day, he is suddenly warned that he will be murdered. Lee Shin A works as No Go Jin’s secretary. She is a diligent and responsible employee. Due to her quiet and introverted personality, she has little presence with her boss No Go Jin and her colleagues at work. Her colleagues begin to recognize her, because she has worked for the notorious No Go Jin for more than 1 year. She then learns that she does not have much time left to live.

With the aid of unexpected friends, a gifted but introverted student confronts bullies and violent foes — unaware of how dangerous his world will become.

Determined to escape a dead-end life, a gifted high school student turns to a world of serious crime to ensure he can pay for college.