The official 4-koma gag series of World Flipper.
More information about the game and characters can be found at its official site: https://worldflipper.jp/.

Momoko is one of the brightest students at school and the person who would sit next to her has never come to class. One day her work is interrupted by a biker gang, the leader of which falls for her at first sight and dedicates himself to getting her to go out with him.

Yukishiro Nanako is a cute, cheerful high school girl with one peculiar trait – instead of verbal communication, she writes senryu (a type of haiku) poems to relay her thoughts. Together with ex-delinquent Busujima Eiji, they are budding freshmen of the school’s Literature Club.

Even though Nanako doesn’t talk, with the power of senryu, the adorable pair has no problem enjoying their fun school-life through the tune of 5-7-5 syllables.

from cotton candy scans:

The story revolves around Kokoro Mimori, a woman who works in an office and has just discovered that she is suspected of being in an extramarital affair. The person who offers a helping hand to Kokoro is the kind and handsome lawyer Jin Uemiya. But, he has a dark side! However, Kokoro only has him to turn to...

From: Easy Going Scans
The story begins with the eradication of Qing-cheng martial art faction by a group of martial art fanatics from Wudang, whose master and disciples only has one belief – to become the strongest in the world. In order to maintain their supremacy, they take over all the other martial arts group and kill those refuse to yield themselves to them.
Yan Heng, a young swordman in Qing-cheng, was saved by ‘Wudang Hunter' Jing Lie, who also lost his fellows because of Wudang. Being the only remnant of their groups, the two allied and start their journey of revenge.

Itokawa has just moved out to his deceased grandfather's house. After being told that the house has been kept up while his grandfather has passed away he is in for a rude awakening when he gets there. He meets a bunch of interesting people that live there...

From Cocobees:
It takes place during the Showa Era in Japan. The story revolves around a young man who has lost both his mother and father. Now, the only person he has that he can rely on is his butler who has been working for the family. However, his father had a secret he was hiding. This secret reveals itself after his demise.

From EIH Scans: Reborn for the sake of a previous life. Reborn for the sake of martial arts. Chu Yang was under attack for the sake of the Jiu Jie Sword. Our hero was trapped and outnumbered by plunderers. Unexpectedly, between life and death, he was brought back 16 years in the past. Is this fate, or a coincidence? Will Chu Yang be able to change the past?

Prequel to "Rakujitsu no Pathos" where we see Yuuki working as a school teacher and get to understand how things came to be...

Tooru and his sister Yume end up in hospital after a traffic accident leaving their father brain-dead when suddenly Itou Yuuzen appears out of nowhere and takes them under his “religious cult's” protection. Is this the beginning of a new life for the brother and sister or something is hidden behind the facade of this religious cult?

"So many demon spirits, I want to collect them." Long Ao Tian. Yuan Ding, goes on a journey of collecting demon spirits.

In a tranquil rural landscape, isolated and high in the mountains sits Hisatate Town. Amagase Ryou, recently moved there from the city with his family. On his first day he witnesses the strange traditions of this place and cannot believe it, as anyone who breaks the rules is punished without mercy... The residents are viciously beaten for trivial reasons. What does the future hold for the newcomers when one of them break the rules?

Itou Ayako is a third year in high school and the president of the public morals committee. Part of her job is to ensure that the amount of sexual relationships between students doesn't get out of hand. As president, she is expected to set a good example and be a role model for the other students. But what if even she wants to get a boyfriend...? Recently she's become a little bit interested in fellow committee member Kawai Harumori. And so begins a struggle between duty and love.

After being hospitalized, Sana, meets a mysterious girl at the vending machine named Kousaka Ayane. They are both interested in each other and start spending time in their rooms. With every meeting Sana experiences new emotions which she hasn't felt before. After Ayane's doctor tells her that she is going to leave hospital she meets Sana one more time...

Astalorin is the Great Devil King reining in the Asmodeus Castle... The problem is, she's a cute small girl that is very sensitive and, subsequently, doesn't do a very good job at being the terrifying demon everyone expects her to be.

Things only get worse when a group of heroes comes to challenge her rule in her domain and instead of seeing her as a monster that is supposed to be the "Final Boss" of their adventures, get stricken by her "crazy cuteness" and feel the urge to hug her instead of battling her. Will this ineffective and adorable tyrant ever get her act together?

The wheel of fate began moving due to a fated meeting in a small town, where everyone is free from restraining orders and lives in peace......

It's an everyday life of a shy girl called Tomoko Konagai and three "cats" Maa, Roo, Shii. These cats are girls with cats' ears and can speak human language.

University student Nokichi had a crude, tomboyish female friend named Sabae. One day, to get a consultation on love matters, the two went for a drink, unexpectedly the big-breasted Sabae approach Nokichi on a whim... Is it a friendly approach? Or a sexual approach?

The curtains fall for the almost unreasonable campus life!

One day middle school student Nishiki, who lives in the countryside, meets high school student Atsumori, who came to visit from Tokyo. When talking with the cool Atsumori, she starts noticing her desire to leave the countryside for Tokyo. But the way to Tokyo is unexpectedly through a marriage proposal?!?

Summer 1998, - me (40) and her (17) begin our youth.
A 40-year-old businessman slips back in time to his youth! On the outside he is a young fit high school boy but inside, he is a model uncle. A nostalgic love story about a "time-traveling uncle" and a high school girl who loves his uncle-like appearance.