The official spin off of Ao no Exorcist.

Karna was a boy that was given the title of "Sage" from heaven, is scouted by the hero party that had great expectations for his skills.
However, his skill "necromancer" was creepy and he was immediately exiled.
Karna, who got lost on the road without getting a reward, had accidentally invaded the Demon King territory and was targeted by the demons!
Karna faced a demon with a mighty power, but defeats it with magic that overwhemed it by far.
A fearsome demon. Meanwhile, Cecilia the devil, who saw the whole scene, offers Karna a large annual salary.
And Karna decided to become an enemy of humanity as a magician with the Demon King army――.

Yang Kiryong is an ordinary high school boy who has a classmate named Yoo Jae-Kyung, who is somewhat clumsy and clueless. Both have a very good friendship, but without any kind of love attraction. Until one day, by chance, Kiryong discovered the deepest secret of his friend and because of this his heart began to beat, will it be beats of fear or love?

It's the start of a new school year. The new homeroom teacher for Abikura-kun, a second-year high school boy, is Hiyori Uwamura, who is known as a "Scary Teacher", rumored to curse you if she gets offended!

One day after school, Abikura-kun witnessed the other side of "YowaYowa-sensei"... and he is shocked by the gap between reputation and reality! The opening of a romantic comedy that will stir up your protective instincts!!

Miyako is a super-shy girl in college. One day, her younger sister brings home a super-cute girl named Hana, and Miyako totally falls for her! These are her misadventures in trying to awkwardly get closer to Hana.

Ordinary office worker Oohashi Rei wakes up in the body of the protagonist of her favorite otome game, Revolution. To her delight, the first person to greet her is also her favorite character, Claire Francois–the main antagonist of the story! Now, Rei is determined to romance Claire instead of the game’s male leads. But how will her villainous lady love react to this new courtship?!

Links:
Author's Twitter: https://twitter.com/inori_narou - Tweets in English, Japanese, and Korean.
Artist's Twitter: https://twitter.com/aonoesu - Tweets only in Japanese.
Official English Novel: https://sevenseasentertainment.com/series/im-in-love-with-the-villainess-light-novel/

The princess of the human kingdom has been kidnapped by the demon king!

But all she wants to do is get a good night's sleep!?

Kamihate Uryuu, orphaned since childhood, receives an invitation to stay at the local Shinto shrine. All he wanted was a quiet place to study so that he can fulfill his dream of making it into a top medical school, but after arriving there, he comes across three beautiful shrine maiden sisters... and the head priest requests that he marry one of them and take over the shrine. A tale of love and miracles is about to unfold!

Written by the assistant of Negi Haruba, the author of 5Toubun no Hanayome, who recommends this work.
(Full serialization confirmed on author's twitter).

Kanan is a demon hiding in a high school in the human world to feed on the souls of humans. She sets her sights on a single high school boy, but somehow ends up in a lovers contract with him!? Kanan, who has never been in love, is now filled with new feelings!

The romantic comedy of a pure-hearted demon's first love, begins!

(Source: Shounen Magazine, translated)

Yoshida was swiftly rejected by his crush of 5 years. On his way home after drinking his sorrows away, he saw a high school girl sitting on the street.

"I'll let you do it with me, so let me stay."

"Don't even joke about something like that."

And so, the story of living with the high school girl Sayu began. The slice-of-life romantic comedy between a runaway high school girl and a 26 year old salaryman ensues.

Koki Sakieda is an assistant for Akira Akanabe, a manga artist he admires, who always tries to praise him in some way. Sakieda is worried that he will end up falling in love with her if this situation continues. Then Akanabe unexpectedly asks him to go out with her... The story depicts the daily life of Akanabe-sensei, who lavishes praise on Sakieda without embarrassment, and Sakieda, who tries to accept it all gracefully.

Percival, a kind boy, lives with his grandfather in a remote place called "God's Finger". However, the world will not allow him to live in peace. An encounter with a mysterious knight changes their fate, and a shocking secret is revealed. The boy sets out on an endless journey. Whether you know "The Seven Deadly Sins" or not, you can still enjoy it! The world's most awaited adventure fantasy!

Though Chichi the cat looks very cute, she has one goal: eradicate humanity and take over the world! She decides to recruit comrades to aid him in her quest, but it looks like world conquest won't be that easy?!

Follow the adventures of Chichi the tyrant, Dunno the doggo who loves humans, and Kaiser Kang Taeshik, the hard-boiled wild hamster, as they face many hardships on their path to absolute dominion!

Natsukawa Tsubasa has just moved from Tokyo to Hokkaido, in the middle of winter. Not quite appreciating how far towns are in the country, he gets off the taxi at the next town over from his destination, so he can see the sights around his home. But he is shocked when he learns the "next town" is 3 hours walk away. But he also meets a cute Dosanko (born and raised in Hokkaido) gyaru named Fuyuki Minami who is braving 8 degrees celcius below 0 weather in the standard gyaru outfit of short skirts and bare legs!

Manga about a girl who was looking for a job and ended up in a corporation of magical girls fighting monsters.

A hitman and a marriage swindler set out on the world’s most grueling battle for marriage! Gero is a young man from a clan of hitmen, which has been in existence for hundreds of years. As someone who’s never gone to school and lived his life dealing in the dark side of the business, he considers himself to have “no prospects with women” and marriage as “something not for him.” However, one day, in fear that their lineage would dissolve, his clan warns Gero that if he doesn’t marry and produce an heir, they would have no choice but to…force his little sister into doing “that.” Driven to his wits’ end, Gero asks the target of his work, a marriage swindler, to…

Seo Hyunwoo' is a member of the idol group that's about to debut. On the day of their profile shoot, an accident left a hideous scar on one side of his face, causing his dream of debuting to collapse. Fortunately, he became an idol trainer with the recommendation of his manager, but he still spent his shabby days in sorrow. One day, he got on a plane with the idol group in charge of going abroad, but an unexpected incident caused his plane to crash!!

But... "Why are you talking so loud in your sleep?" "Going back, I wanna go back..." Then he realized that he came back to when he was 19 years old; when he was preparing to join the debut team. Seo Hyunwoo, an idol who looks like a 19-year old boy but has been strengthened by his experience as a trainer before coming back. This is the story of his growth to become an idol once again.

Today, we live in an age of diversity. The phrase "non-humans" is a thing of the past. "Genjin" live their lives interacting with human beings. One human boy, Yutaka Shinsou, is troubled. He is so used to being in tune with his surroundings that he no longer understands his own feelings. At Keiki High School, where many "Genjin" attend, he meets Tsumiki Ogami, a werewolf. She is cute, powerful, a little out of the ordinary, and kind... When he spends time with her, Yutaka's heart is somehow noisier than usual. Spinning an "unusual" everyday life with Tsumiki the werewolf. The new normal graph of youth is about to begin.

Is being unable to see the red string of fate better?!

Since the encounter on the day of the high school entrance ceremony, dog-like boy, Makita Keita and cat-like girl, Ohara Tamaki have had the worst relationship.

The story starts to progress when the both of them are put in the same class.

A little mysterious heart racing school youth graffiti begins!