Written by Tomonori Sugihara. The light novels, much like the manga, differ from the TV series in various ways. Renton Thurston is a young 14 year old who is tired of his boring life and spends his time lifting, an extreme form of aerial hoverboarding. One day, a large mecha known as an LFO crash lands in his grandfather's garage and a beautiful young girl named Eureka emerges. This begins a journey that will change both of their lives...

I was an illegitimate daughter abandoned by the promiscuous emperor. From there, I ended up on the street where I learned that I had a knack for the sword. I competed in tournaments, became a mercenary, and I made a name for myself. Just when I had become the talk of the empire, the emperor wanted me back. In return, I demanded to be next in line for the throne. After years of hard work, I finally became empress and died happily. But here I am, alive again. Ugh, can’t a girl be left alone? This time, I’m going to be as lazy as I please! (Source: Tapas)

Have you ever had a ghost as a roommate? That’s the situation that confronts Chanyang Jeong when a haunting turns into a homestay. The “ghost” in question is actually Jian Nam, heir to the Baekgyeong Group, who’s currently in a coma after a suspicious accident. Jian needs to remain near Chanyang for three months to find out if he can wake up from the coma, so the two are forced to cohabitate. Can Chanyang uncover the truth behind Jian’s accident, and endure living with her unexpected guest for three months? (Source: WEBTOONS)

Koide was turned into a vampire at the age of sixteen one hundred and thirty-three years ago. Now, poor Koide is trapped in an eternal loop of the same old homework, the same boring lectures and meaningless tests, and an ever-unquenchable thirst for blood. Koide has repeated his uneventful sophomore year of high school one hundred and thirty-three times, and now, in his one hundred and thirty fourth year, he doesn't expect things to change—and is frankly too bored to care. But his classmates this year seem a little different than before. They're thrilled to have a vampire in their midst, and are eager to do whatever they can to help. Will "134" be Koide's lucky number or is that just wishful thinking? (Source: Seven Seas Entertainment)

Seo Jaewoo wakes up to find himself in the world of a BL novel. But he isn’t just any random person. He’s actually the lousy side-top character who’s meant to torment the main bottom, Yoo Hyeonjin. What’s worse is that by the novel’s conclusion, all of Jaewoo’s despicable actions catch up to him, and he is killed by the story’s crazy main top and Hyeonjin’s love interest, Choi Mujin. In order to avoid his death, Jaewoo decides to change his original role and get on Hyeonjin’s good side. His method: lure him in with food, of course! While his tactic proves effective and he slowly befriends Hyeonjin, that doesn’t become the only major change to the plot. After an unexpected encounter with Mujin, Jaewoo’s position as the “lousy side top” gets completely flipped upside down… (Source: TappyToon)

Liandro was stricken with a hideous curse at a young age, shunned by his family and rejected by the only people he ever loved. As the supporting character in a novel, he’s doomed to a role of misery and loneliness. That is, until a sympathetic reader is suddenly transported into this fictional world as his lowly maid, determined to change his fate! Can Evelina break Liandro free of his wretched destiny and help him find true love after all? (Source: Tappytoon) *Note: Includes eight extra chapters.*

Gu-Won’s upbringing was straight from a storybook—he was the prince of his own world, surrounded by opulence and luxury. Yet, beneath the façade of grandeur, his life was a tapestry of loneliness and betrayal. With a father who pits him against his own sister, Gu-Won’s world is icy and devoid of joy—until he meets Sa-Rang, the sunny daughter of a humble servant. Her friendship and radiant smile begin to thaw his frozen heart. But tragedy strikes, tearing them apart and leaving Sa-Rang orphaned and adrift. As their paths diverge, bitterness and longing fuel their journey onward. Can these once inseparable friends navigate their way back to each other? (Source: Seven Seas Entertainment, edited) *Note: This is a prequel of the tv drama of the same name that aired in June 2023.*

A normal powerless male protagonist is entrusted to look after the fallen demon queen Isabella. Depleted of her powers, Isabella is forced to camouflage as a human and suppress her regal status. Evil masterminds plot to dethrone a powerful demon queen in a medieval fantasy land.

When the emperor declared that his children must battle to become the last remaining heir, the only way Princess Lisbelle could survive was by becoming a mad woman. Feigning insanity kept her out of danger for years, but with only three children remaining, Lisbelle now finds herself a target. In a moment of danger, she discovers powers gifted to her by the goddess Hellare and suddenly finds herself in the company of a charming magician. But whether he’s friend or foe has yet to be determined… (Source: Tapas)

The sickly Princess Yeong-Myung knew nothing of the violence and betrayal surrounding the royal court. Yet when the threat of a vile mythical beast and the machinations of the cruel Gaesi Kim loom large, she will do all she can to save her family from certain doom. Armed with only her wits and courage, Yeong-Myung must accept the aid of a stunning blue goblin who vows to be her loyal guardian. Can love win and save this unlikely pair from the vicious schemes that bedevil their every move? (Source: Tapas, edited)

Do Shiyoon was the leader of a struggling K-pop boy band when he tragically died in a car accident... or so he thought! Miraculously, he wakes up in his 17-year-old body and realizes that he's gone back in time to before he debuted as an idol. Now, he is determined to make it big in K-pop. As he prepares for his re-debut, he has to avoid the pitfalls of his first life while gathering four like-minded and talented idol trainees to make a new boy band, the likes of which K-pop has never seen! (Source: Tapas)

Gyu Park is a survivor who predicted and prepared for the coming apocalypse. In this ruined world, he is willing to do anything and everything he can to protect the comforts of his bomb shelter. (Source: WEBTOON)