Description:

For 820 years he had slumbered with no knowledge of mankind's advancement and scientific progress. The land which he once knew has become an unfamiliar place with new technology, attitudes, and lifestyles. Upon awakening, Cadis Etrama Di Raizel (aka Rai), seeks to familiarize himself with this era. He locates a loyal servant of his, Frankenstein, who is currently the principal of a South Korean High School. Rai decides that this school is the perfect place to help him learn about the modern world, enrolls, and begins associating with a group of good-natured students in order to 'blend in'. But this new world is no safer than the old; and the dignified, bewildered, technologically inept Rai finds himself embroiled in adventures both ridiculous and dangerous. (Source: Eat Manga)

Description:

In a world where awakened beings called “Hunters” must battle deadly monsters to protect humanity, Sung Jinwoo, nicknamed “the weakest hunter of all mankind,” finds himself in a constant struggle for survival. One day, after a brutal encounter in an overpowered dungeon wipes out his party and threatens to end his life, a mysterious System chooses him as its sole player: Jinwoo has been granted the rare opportunity to level up his abilities, possibly beyond any known limits. Follow Jinwoo’s journey as he takes on ever-stronger enemies, both human and monster, to discover the secrets deep within the dungeons and the ultimate extent of his powers. (Source: Tappytoon) Note: Chapter count includes a prologue and 21 side stories.

Description:

At the age of eight, I-Jin Yu lost his parents in a plane crash and became stranded in a foreign land, forced to become a child mercenary in order to stay alive. He returns home ten years later to be reunited with his family in Korea, where food and shelter are plenty and everything seems peaceful. But I-Jin will soon learn that life as a teenager is a whole other feat of survival. With only one year of high school left, I-Jin must master new tactics to maneuver his way around the schoolhouse battleground. Can he survive a year of high school? Or rather, will the school be able to survive him? (Source: WEBTOONS)

Description:

The new English teacher, Chun-Woo, is not your ordinary teacher. Shioon, a victim of constant bullying, unexpectedly witnesses Chun-Woo's fighting power, and begs him to make him his disciple. Chun-Woo claims he can teach Shioon only if he is truly determined, and Shioon must jump off a bridge into a deep river in order to prove it! It turns out, however, that Chun-Woo and his powers are more than meets the eye. Shioon makes a grand entrance into the hidden world of martial arts, and he is about to be taught by the best there is! (Source: MU)