Yuichi Shiro is a foolish, narcissistic, and oblivious teenage boy. After a sudden incident his once ordinary life goes through great changes. How will the optimistic self proclaimed genius handle the life he will lead from now on? As well as handle the new acquaintances and enemies it brings with it. Let the story of action, life, romance and stupidity begin. (Original Web Novel: https://www.fictionpress.com/s/3068594/1/Soul-Anomaly). Current cover is actually from the web novel that has a different artist to the manga.

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An 'apocalyptic' boy-meets-girl rom-com about high school boy Yutaka Kuromori and the beautiful, popular girl adored by everyone, Aru Hoshina. Yutaka might shyly deny it, insisting “we’re not dating”, but Aru is always clinging to him, and the two are seen as the talk-of-the-school couple.

But behind what looks like an ordinary boy–girl high school relationship lies a secret — one so ruinous and capricious that, if mishandled, it could bring about the end of the world.

Ha-neul and Mincheol have been childhood friends for all of their lives, but their relationship takes on a whole new dynamic when they undergo a series of unexpected events. Although they vowed that they'd never be romantically attracted to each other, they just might be proven wrong... especially when things start to escalate and neither can predict where they'll end up.

Can you give me a happy ending? Komatsu Risa is in love with her childhood friend, Sano Chihiro. Although they have a very close relationship, and are often mistaken for a couple, Chihiro is unaware of how Risa feels and accepts a confession from another girl... Heartbroken about her first love, she confides in her seemingly indifferent homeroom teacher, Natsuo.

Masatora Akutsu has just transferred into class in Japan from a long way away - all the way from Hell, to be exact. Akutsu is a demon who's come to Earth to find someone who can motivate the forces of Hell to fight back against the invading Heavenly army. He immediately sets his sights on one of his classmates, the kind and beautiful Lily Amane, but ends up in way over his head when it turns out Lily has some secrets of her own!

Another short Twitter manga about an old couple turned young again.

It’s rumored that Class 1-A of a certain all-girls high school is hell itself, with every teacher quitting in a matter of days after being subjected to the girls’ abuse. Ultra-plain Jimi Taro (his name literally sounds like the Japanese word for “boring/plain”) is the latest teacher for this class but is unfazed about the challenge he’s up against.

Cute teenage model Hananaka Momo is the first to try and get him to quit, going so far as to fake a sexual harassment! Meanwhile, blackmailers, sadists and more lurk in this classroom of pretty faces, ready to challenge their new teacher. But Jimi’s motto is “virgin for life, teacher for life,” and he’s prepared to school these girls in more ways than one!

After being reincarnated into another world where the chastity and moral values of men and women are reversed and women rule the land, Faust was raised by his mother as a rare male knight. He's quick to become a war hero with many achievements under his belt, but because he inherited his way of thinking from his previous world, there's a certain severe pain in his groin day in and day out when faced with the likes of a scantily clad Queen who may as well be in the nude or the sexual harassment of the well endowed Duchess he calls a friend, among others...

Hinako, a friend of Asahi's older sister, is a frequent guest at the home of the high school boy. She always misleads his mind with her suggestive attitude while treating him like a little brother...or rather, pet? A love story between a gal who has a bugged sense of proximity and an otaku guy who acts like her parent!

From ADV: Imagine a Neon Genesis Evangelion where choosing the right girl is more important than saving the world! That's the gist of Angelic Days--the hit manga that Eva fans have been waiting for! Based on a popular PC and Playstation 2 game released only in Japan, Angelic Days takes the angst-ridden Eva pilots and sets them in a lighter, brighter world.

A girl endowed with the power of clairvoyance has, because of her ability, difficulty finding a relationship. One day a boy younger than her declares himself and the girl for the first time does not see a bleak future...

Kosuke was killed by Truck-kun, and was given the ability to live in a new world. Additionally, he was provided two lovely assistants who would do anything for him. This is a story of his adventures with them.

When six-year-old Inés laid eyes on the handsome heir to House Escalante, she promptly made the boy her fiancé. Since noblemen are all the same, she figured she might as well choose a pretty one. But Lord Cárcel isn't ready for this sort of commitment just yet, and he spends the next decade and a half avoiding the marriage at all costs!

Luckily, that's no trouble for Inés, as this marriage failing is exactly what she wants. In fact, he has her blessing to sow his wild oats as long as he stays out of her business. Unfortunately, being a playboy isn't as fun when your fiancée gives you permission. And doesn't this mean she's cheating on him too? Now, Cárcel is determined to change Inés' mind about him and prove he can be the husband she's always wanted.

“As long as you’re the master of that sword and I’m a witch, someday you’ll have to kill me for real.”

As a child, Oscar, Crown Prince of Farsas, had been cursed to be childless. At the age of 20, he paid a visit to Tinassha, the strongest witch in the continent, to break the curse. He came back bringing Tinassha along as his protector, and in the one year until his contract with her expired, he got embroiled into her past, and an even greater destiny.

Original Web Novel: https://ncode.syosetu.com/n1488bj/
Official English Translation of the Light Novel: https://yenpress.com/series-search/?series=unnamed-memory-light-novel

In a distant place, on a certain mountain, a young dragon has been captured by a beautiful female tiger. The two, who were predator and prey, begin a journey to find a way for two animals with very different life spans to live by each other's sides.

TL;DR: Tiger Woman x Dragon Boy

Tokimori-san is a beautiful and successful woman. But when she's off the job, she tends to be a bit absent-minded! Living together with the charming Tokimori-san always makes me nervous!

Kuroto Hinata is searching for his sister, who "once existed" but is now forgotten by everyone around him. He receives a letter from the beautiful transfer student, Shirai Shimotsuki, stating, "If you want to know about the whereabouts of your sister, come to the library after school." When Kuroto goes to the library, he finds Shirai inexplicably half-naked and waiting for him.

A girl with too much common sense, a boy whose sole ambition is to draw the perfect 2D bride, an addlebrained ghost member, and their always sleeping president — what is wrong with this art club?!

A tale about a modern deep-sea aquarium employee in Tokyo!

What's living in the overwhelming darkness deep within the sea? Take a glimpse into this strange world about a boy working at a deep sea aquarium.