Hanlim Gym

If there’s one thing Hwan Seok can’t stand, it’s witnessing injustice. But this time, getting involved with a pair of men targeting his next-door neighbor, Yerin, costs him his life. Three days after his murder, Hwan Seok wakes up…. alive! Armed with his newfound ability to be brought back to life after three days, Seok is determined to save Yerin but soon realizes he's gotten himself entangled in a plot bigger and more sinister than he originally imagined... (Source: WEBTOON)

Geon-U 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 call the shots and gambling runs rampant. But does Geon-U have what it takes to beat the odds, defeat the Taekyeong Oh Family, and restore law and order to his high school? (Source: WEBTOON, edited) Notes: - Includes one extra chapter. - Belongs to Blue String universe.

What happens when the scariest kid in school asks you out on a date? Yoojung struggles to survive what may just be the worst day of her life. (Source: YLAB) Note: Belongs to Blue String universe.

Nicknamed the “school for future criminals,” Yusung Technical High School isn’t exactly the ideal place to study. A rarity among his peers, Gamin is a student with just one goal: to get into university. At a school where it’s every man for himself, he is rejected from countless study groups before he decides to form his own. When Hankyeong, Gamin’s former tutor, joins his high school in hopes of earning her teacher certification, it seems like they’re both reaching for the impossible. Can they defeat the odds and achieve their dreams? (Source: WEBTOON) Note: Belongs to Blue String universe.

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. (Source: YLAB) Note: Belongs to Blue String universe.

Hwa-Jin 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 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. (Source: WEBTOON, edited) Note: Belongs to Blue String universe.

The terror man and the revival man finally meet. "Destruction is the beginning of resurrection". The whole world is in danger with the birth of a new evil. Min Jeong-U has the ability to see misfortune and Seok-Hwan has the ability to come back to life. The two heroes made different choices... Who will be the final winner? Han Dong-U's and Ko Jin-Ho's first crossover work! (Source: Naver, translated) Note: The chapter count includes a prologue and epilogue.

Note: Belongs to Blue String universe.

A high school student, Im Da-Joon is used to being bullied at school. Right before he was about to end his own life, he saw the interview of a friend killer on TV by chance. He got impressed by the interview and decided to seek revenge. His revenge was successful, but his life went in the wrong direction… Im Da-Joon quit school and joined the group of teenagers who ran away from their homes. Da-Joon is now free from school bullies, but now he has to survive against the street gangs who are much tougher than school bullies. (Source: YLAB) Note: Belongs to Blue String universe.

I found someone who looks exactly like me on SNS! He seems to have everything unlike me who grew up in an orphanage. Maybe he could be my twin?! When I was about to find him and solve my life problems, I got into huge trouble!! (Source: YLAB) Note: Belongs to Blue String universe.

As the eldest son of the Polo family, Marco is striving to provide for his younger siblings. After a strange and unfortunate shipwreck, Marco finds himself in Asia, a place he was warned never to visit. Soon he realizes he is at the cusp of an unexpected journey where he will have to choose between protecting his family or saving the world. (Source: WEBTOONS) Note: There's a simul-publishing webtoon version of the manga in collaboration with YLAB.

Im Da-Jun became the leader of the runaway family after being kicked out of his house. Yeon-Woo, who he took in by chance, ends up in a knife assault in Yeonsu-gu, Incheon. The one who stopped Yeon-Woo from getting his revenge against the chaebol chairman was Yun Ga-Min, whose dream is to become a good student. Meanwhile, Na Hwa-Jin takes an interest and watches over them... (Source: Naver, translated) Note: Belongs to Blue String universe.