High school student Moon Bin Lee has difficulty sleeping due to a recurring nightmare: he's stranded over a thousand years in the past chasing a dark-haired girl into a deep abyss. Before long, the nightmare overwhelms him, and he is unable to tell whether he is Moon Bin, a Seoul teenager at the end of the second Millennium, or Sa Kyoung Kim, the son of a prominent warrior family in the middle of the first Millennium. People in his present-day life assume roles in his historical life as he struggles to learn exactly who he is and what he's expected to do, straddling a transmigratory portal through time and space. In the present, his school's kendo club battles to stay in the championships...but in the past, Moon Bin finds himself at the threshold of a territorial dispute on the plains of Mongolia ... (Source: TOKYOPOP)

Sung Hoon was a normal High School student, but one day he finds himself with a tiger that Hwangun didn't marry, and is told that the world will end if he doesn't marry that tiger. The story begins with the cute smile of the tiger girl.

Yumi, a seemingly average high school girl, is destined to become the wife of and child bearer for Evil. As soon as her first menstrual episodes begin, all sorts of villainous cretins show up in the hopes of providing the seed for wickedness itself. In response, the forces of Good, a Buddhist priest, the Catholic church, and their attendant holy warriors rush to provide protection for the now-pregnable Yumi. But she reaches out to another warrior, a young punk freshman heartthrob who literally beats off the female population of the school with a stick. But when he sees Yumi in a vision, this cool-as-ice thug melts ... and the adventure begins ... (Source: TOKYOPOP)

One day, I woke up as Rosalite, the older sister of Asterion in the novel, “Asterion of the Twilight.” I may not be the main character, but it’s not so bad. Rosalite’s little brother, though, is fated to die in the story at 20 and that just seems really unfair after all the drama he’s been through (did I mention his story is a BL?). Now that I’m Rosalite, I decide to save him. But no matter how hard I try, he just keeps dying and every time he dies, I turn back into 16-year-old Rosalite. Ten or so deaths later, I’m more determined than ever to save him. Rich, royal, or sexy foreigner: whoever touches my little brother will die! (Source: Tappytoon)

What am I to you? Boyfriend? A boy toy? A hostage? A witness? Why did you save my life and just walk away? Why would you transfer to my school and tell everyone we go way back? On a different note, why do you always have a gun? And why do those foreigners keep chasing after me? Will I survive being next to you? (Source: WEBTOON)

Prince Alec, the troublemaker of the Royal Family, runs into some trouble himself when he discovers he is being hunted by assassins. With magic involved in this deadly scheme, the only one who can protect him is Victoria, the Witch of Bitter Cold, who offers her help in exchange for a “small” favor. But as her title implies, Victoria is devoid of human emotions and will stop at nothing to get what she wants. Although Prince Alec tries to maintain some distance between them, this proves to be difficult the longer he is stuck with his icy protector... (Source: Tappytoon)

Sequel to Immortal Regis. Reading the entirety of the prequel is highly recommended, otherwise, this story from chapter 4 on will spoil it and/or be confusing. Cavalier of the Abyss (so far) is set only in the world of Chaos. There is now a Regis of Chaos.

"Life is a shitty game," said Kagurazaka Tsubaki, a gamer who is also a recluse and a NEET, going through the motions of his depraved daily life. For Tanabata, he went to sleep wishing he could live in the game world instead, but... When he woke up, he found the extremely beautiful demon lord "Gücklich Kite" looking him. This is the world of the game Tsubaki used to play! Kite pushed Tsubaki down, saying, "You will be the mother of this country by mating with me, the Demon Lord." Is he about to be taken by the handsome Demon Lord? The forbidden child-bearing mission between a beautiful demon lord and a reclusive gamer is about start! (Source: Animage Comics Haruto, translated)

The “self bully” Ban has a normal enough life, and where divorced parents aren’t that uncommon, her life becomes shadowed in mystery when her mother, Eun-Joo, suddenly brings their “distant relative” Jin-Whan home to live with them. Ban’s mother would always avoid the topic of her family, so who is this strange boy? Are they really relatives? What torturous secrets does her mother’s past hold? And what do the sudden strange happens that follow in Jin-Whan’s wake mean? Would a better question not be who is he, but what?

From Sherbet Lemon: An energetic, cheery high school girl named Garam was having a peaceful(?) school life until she runs into a cute boy name Lime. Trouble started as Lime and his best friend, Yuyi moves to her school and monster start showing up and she's the only one around who can see it. What's more, Lime happens to be a prince from another world who came to this world to find his missing bride who he doesn't even know the face of. As time passes, Lime starts to feel weird around Garam... ...And Garam feels the same except that it wasn't toward Lime but to Yuyi... It starts as a normal school life story, but it turns to a fantasy from the late middle

After years of being told to focus on studying, Yeseul feels lost when she starts college and is suddenly expected to pay attention to makeup. When a chance encounter with brilliant makeup artist Yuseong leads to her taking part in a televised makeup competition, Yeseul begins to question the role that makeup and appearance play in society. (Source: WEBTOON)

What if you developed superpowers that could change your life only to discover that these incredible abilities only worked on… animals? When you’re teenager Jin Lee, that’s a pretty strange concept to wrap your head around – especially when you wish your destructive powers could help you overcome the bullies who torment you at school instead. But Jin is quickly learning that there’s a place in this world for a special individual like him – and he’s definitely not the only one of his kind out there. (Source: WEBTOONS)