Hwajin Na’s teaching techniques are pretty violent for someone who works in the Ministry of Education. That being said, when punishments don't seem to work... more>> on even the worst of school bullies, there is no better man for the job. Sometimes you can’t get a good education until those bullies are taught a lesson. <<less

Due to the school bully's threat to get him game items, Ha Do-wan, the unlucky game shuttle, died after playing games all night long for... more>> a week. The moment he died, he got respawned to the classroom one week before he died... Everything is the same as that day. The only thing that has changed is the floating in front of him! What? Use the skills of the games I've played so far to beat the bully?!?! <<less

Gamin Yoon, a 17-year-old student, goes to a school known to harbour future criminals. Stuck in a carnivorous environment where only the strongest survive, he... more>> struggles to get good grades to enter a 4-year university. But, will he be able to study well enough to enter university, or will he get involved in the unending fights around the school? <<less

Suchan Jang is an extraordinary college student at the top of the social food chain. But underneath the perfect facade, he hides a pair of... more>> insect wings that suddenly grew when he used a mysterious bug spray called "Jungle Juice.” Suchan's life crumbles when he bares his wings to the world to save someone's life. When all hope seems lost, Suchan stumbles upon a hidden world of insect humans where everyone is accepted for what they are. But the law of the jungle governs this secret society and all must fend for themselves in order to survive. <<less

Im Dajun is a high school student who gets bullied at school every day. He came across an interview on TV just when he was on the verge of giving up on life. It was with a murderer who killed the classmates that bullied him. Dajun becomes inspired by what he saw and decides to take revenge as well.... more>>

His revenge was successful. However, his life steered into an undesired direction. Im Dajun, leaving school, ends up joining a strange Runaway Fam.

The young runaway, Im Dajun, no longer suffers from the bullies at his school. Instead, he now must survive against even more vicious thugs on the streets. <<less

Tired of being picked on, Yeongha, the new transfer student, decides to fight back… and discovers he can pack a punch. He soon becomes the... more>> top of the food chain, savoring his new title as the toughest guy at school. But he meets his match when Suho Kang, the Champion of the PVP games, single-handedly takes down him and his crew. To earn back his honor, Yeongha decides to join the PVP games. Will he finally get the satisfaction of beating Suho up? Or will he gain something more? <<less

"The King was killed by his own concubine?!" Minju suddenly remembered her past life while taking an exam. She was very embarassed when she remembered... more>> but tried to calm down because the most important thing in that moment was her college entrance examination and not her previous life. However, Hu-gang, who was the enemy of heaven and earth in his previous life, came to Minju. Min Ju's life is in a crisis now. since her husband from his previous life, the king, appeared. "Forget about the past life, Minju. Hurry up and study!!". <<less

This is a R-12. Kim Ro-ah is the manager for the famous actor, Chen Sih-Yeon, who mistreats her. When fatigue hits due to overwork, Ro-ah... more>> gets into an accident and dies. In her dying moment filled with revenge, she swears if she could return to the past she would trample all over Sih-Yeon to prevent him from becoming famous. It turns out that she actually did return to the past, just in time before Sih-Yeon is about to make his debut. Ro-ah tries to sabotage Sih-Yeon’s career, however her plan is not turning out as smoothly as she expects it to be. <<less

Geonu Dan has vowed to overthrow the status quo of the dysfunctional high school he recently transferred to, where rich and powerful third-generation chaebol heirs... more>> call the shots and gambling runs rampant. But does Geonu have what it takes to beat the odds, defeat the Taekyeong Oh Family, and restore law and order to his high school? <<less

Seulgi was no.1 in her old suburban school. Now, having transferred to the prestigious Chaehwa Girls’ High in Seoul, she must engage in fierce, friendly competition with her rich and talented rival Jay.... more>>

(Source: YLab)

Belongs to Blue String Universe. <<less

The number one school in the country, Kangsan High School, Goo Se Ra, has a crush on Lee Seo Jun, who comes to Kangsan High School for teaching. She experiences all sorts of hardships with problem students.... more>>

In order to protect her crush, Goo Se Ra decides to turn the worst problem school into a model school. <<less

'Im Dajun', who was abandoned at home and lives as the leader of a runaway family. ... more>>

One day, 'Yeonwoo', whom he accidentally brought home, causes a violent incident with a knife in Incheon.

Standing in the way of 'Yeonwoo', who was trying to kill a chaebol chairman for revenge, is 'Yoon Gamin', the strongest boy who dreams of being the best student.

Meanwhile, 'Na Hwajin' from the Education Protection Bureau finds the situation interesting...

The first crossover in the Blue String Universe!

A grand clash between the main characters of , , and !

This is a record of a fierce battle not covered in their stories. <<less

One peaceful day on Earth, a meteor crashed—and the world was never the same again.... more>>

Soon after, mysterious beings known as Immortals began to appear across the globe.

Whenever they died, their bodies would reset to a specific moment in time—erasing every wound, scar, or mark that came after.

Not even science could explain this phenomenon.

Humanity spiraled into chaos.

Two hundred years have passed.

Despite the best efforts of scientists, the secret of eternal life remains unsolved.

Now, Immortals live as fugitives—hunted by governments, subjected to brutal experiments, and trapped in a life where they cannot die… only repeat.

But among the whispers and urban legends, a single name surfaces—

“The Undertaker”

A man who can kill even the unkillable.

For those cursed with life, the ultimate salvation may come not from science… <<less

Original Webtoon :... more>>

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