My Strange Hero
Overview:
When Kang Bok-Soo was a high school student, he was falsely accused of committing violence and kicked out of school. This was caused by his first love Son Soo-Jung and a male student Oh Se-Ho. Kang Bok-Soo is a now an adult, but his life has not gone smoothly. To get revenge on Son Soo-Jung and Oh Se-Ho, he returns to the same high school as a student. The environment at the school has changed and Kang Bok-Soo gets involved in unexpected cases.
Recommendations for you

Revenge of Others
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.

Sweet Revenge
A teenager manages to stumble upon a phone application, where, upon writing a person's name, that person is punished. Moreover, she uses this newfound power for her own benefit.

Hierarchy
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.

Pinocchio
In-ha and Ha-myeong become reporters for different reasons: one aspires to follow in her mother's footsteps and the other seeks to do honest news.

The Glory
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.

Imperfect Women
After a murder shatters the lives of three best friends, their decades-long bond is tested when an investigation reveals betrayals and shocking truths.

Crazy Love
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.

Carter
An actor returns home after a public meltdown. Partnering with his police detective friend, he tries to use his acting experience to solve real crimes.

Idol I
Maeng Se-na, a top star criminal lawyer who has been a fangirl for fifteen years, tries to prove her favorite idol’s innocence, who is suspected of murder.

The Manipulated
Taejoong's life is torn apart when he's framed for a heinous crime and imprisoned. Discovering it was all orchestrated by someone on the outside, he embarks on a rage-fueled quest for revenge.

Doctors
A recalcitrant, delinquent teen girl meets a compassionate teacher, who inspires her to alter her path and become a street-savvy neurosurgeon.

Class of Lies
Ki Moo-Hyeok, a lawyer with a high winning rate, only cares about money. Due to a murder case at a high school which he deals with, his reputation as a lawyer hits rock bottom. To regain his good name as a lawyer, he sneaks into the high school and work as a temporary teacher. He tries to reveal a secret which the students have, and gets involved with Teacher Ha So-Hyun, a P.E. teacher who loves her students. They then face the students'secret.

Extracurricular
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.

Boyhood
Jang Byeong-tae is a small and weak boy living in Onyang in South Chungcheong Province. He's at the bottom of the school's social ladder and when he transfers to the neighboring Buyeo Agricultural High School, he faces an unexpected incident that becomes a turning point in his life.

At Eighteen
A misunderstood loner is drawn out of his shell after transferring to another high school, where he comes across new ordeals -- and first love.

Pretty Little Liars
Based on the Pretty Little Liars series of young adult novels by Sara Shepard, the series follows the lives of four girls — Spencer, Hanna, Aria, and Emily — whose clique falls apart after the disappearance of their queen bee, Alison. One year later, they begin receiving messages from someone using the name "A" who threatens to expose their secrets — including long-hidden ones they thought only Alison knew.

Surely Tomorrow
In their twenties, Lee Kyeong-do and Seo Ji-woo part ways after two passionate relationships. A decade later, they meet again as a reporter who covers an adultery scandal and the wife of the man at the center of that scandal. Reuniting in their late thirties, their youth has passed, but their love remains vivid. Kyeong-do now strives to prove to her and to himself that he still loves her.

Only Murders in the Building
Three strangers share an obsession with true crime and suddenly find themselves wrapped up in one.

Dexter: Resurrection
Dexter Morgan awakens from a coma to find Harrison gone without a trace. Realizing the weight of what he put his son through, Dexter sets out for New York City, determined to find him and make things right. But closure won't come easy. When Miami Metro's Angel Batista arrives with questions, Dexter realizes his past is catching up to him fast. As father and son navigate their own darkness in the city that never sleeps, they soon find themselves deeper than they ever imagined - and that the only way out is together.

Life on Mars
While investigating a serial murder case, Detective Han Tae Joo gets into a catastrophic incident. When he wakes up, he finds himself transported back to 1988, appointed to work at a police station in a small city. Believing he is there for a reason, he tries to solve the case from the past in hopes of finding a way back to his life in 2018.

