Yoon Seo-ho

Minyoung is a shy high school girl suffering from depression and bulimia. She is mercilessly bullied by her classmates, especially the sadistic Taeyong and his posse. One day, she is rescued by a sympathetic classmate who introduces her to transhumanism, a process where electrical shocks to the brain cause a person to "wake up to reality" through electrical baptism. Now, fully empowered, she plans revenge for the boys that have brutally bullied her. But when Taeyong turns up murdered, Minyoung must travel back in time using the Tesla coil to reveal the killer... even if the killer might be herself.

Ji-hun often tastes blood because of his unusually sharp canines. He lives with his obsessively caring mother and often thinks of his close friend Ju-seong.

When the police refuse to investigate their daughter’s alleged suicide, two computer-illiterate parents decide to design a protest banner. Based on the infamous Miryang case in South Korea which shocked the nation in 2004 and continues to fuel public outrage even today.

Myeongjoon and Jeongho, high school students in Hwacheon, are old friends with different personalities. One day, Jeongho brings a new bike and Myeongjoon suspects him of dishonesty. The bike owner appears, but Jeongho has no intention of accepting Myeongjoon’s advice to return it. The shadow of catastrophe becomes clear in vague emotions.

Mi-joo, a telemarketer, begins an ominous day on her way to work, with her ankle sprained by a motorcycle and got called out by the team leader at the morning meeting. The name "Hyeon-soo" that comes across the phone reminds me of "Hyepn-soo," who left the company after a fight. A middle-aged woman approaches Mi-Joo, who returned home struggling with her injured ankle. "I'm Hyun-soo's mom." Hyeon-soo, who lives with Mi-Joo, leaves home after a quarrel. He visits a bank to check the piling credit card debts and while writing his resume at a computer shop, he discovers his parents’ growing age. Hyeon-soo, who visited the university club again, recalls the days when he first met Mi-joo and began to love her after discovering her short film. Just in time, Hyeon-soo bumps into his young juniors and offers to shoot something with a camcorder. How do you remember someone's last expression?

'Geon-woo', brutally trampled by Daejinbuk High's best 'Sang-goo', vows revenge as he practices martial arts. After hearing about 'Geon-woo's comeback, 'Sang-goo' immediately starts to threaten and ask for bribes. To stop 'Sang-goo', they fight head-to-head. To determine who is the real 'best', the bloody fight begins!

Geon-woo used to be a promising taekwondo athlete, but quit after kicking an unfair judge in the face. On his first day at Deoksang High, he gets involved in a fight with the school bullies, but defeats them and becomes the subject of school gossip. While Geon-woo was previously tired with everything in his life, he slowly finds interest after his fight with the bullies. In the end, he takes over the school by defeating Deok-soo, the school's best fighter. However, Sang-goo, the best fighter of Dae Jin High, asks him for a bribe, but Geon-woo declines him. Sang-goo is not happy and wants to break Geon-woo.

Dong-ho is ranked number 1 in "Arena," an illegal gambling league for teens, but he steps down to prepare for college. However, the members of "Arena" don't want to lose their biggest money-maker, so they place a debt on his brother Dong-min. Dong-min literally fights against his debt, but when he gets hurt, Dong-ho decides to fight back.