From Summer Rain:

Natsume, who works at a game company, learns of his new step-sister the day of his mother's wedding. Just as he starts interacting with the game loving girl, he finds out the feelings the other siblings hold towards this girl…

From Ciaran Hillock:
The story features Colonial Operator ROCO143, Jolie, finding a paper airplane floating through space. It's a nice story because the paper airplane in the comic represents humanity's dreams and visions of the universe.

In the 2020’s the Japanese female culture was extremely corrupted in the eyes of the first women prime minister. To bring back the beauty of Japanese femininity, she created the Amazon Academy, a girls-only school, on an artificial island isolated in the middle of the Pacific Ocean.

Amesu Kumi just transferred into Amazon Academy to investigate the death of her older sister, Towa, who also attended the school until she died in a shroud of mystery. The only clue she has is the name Burai Sachiko left in Towa’s cell phone. How could Kumi have known that the school literally turns into a battlefield when classes are over; where petite girls beat each other senseless in order to survive?

From Chibi Manga:

His and my world are different, Even though I can feel all his pains...

From Shi-ran:

Kasumi's day just keeps getting worse and worse. First he's dumped by a classmate, and then a strange fortune-teller shakes his world as he reveals himself to be in search of a master. And who could the lucky boy be...?

"There's no way I will marry you" were the bitter words handed back to Ryuuji after his marriage proposal to his girlfriend. Heart broken and pissed off at the way he was dumped, Ryuuji visits his best friend, Tomoya, to look for some comfort. However, Tomoya's indirect confession of "I'm glad you didn't marry her," evokes new feelings and desires Ryuuji never knew he had.

Sae is a flight attendant working for ANL (AeroNippon Lines, a fictious airline). She wanted to work in this field thinking on the glamourous aspect of the job since her friends at the university were teasing her about her sex-appeal. She'll discover the truth about being a flight attendant while having to deal with the passengers!

After his master Goomonryong destroys his ki-center, Shioon leaves the world of the Murim for a normal life to which he believes his master was trying to return him. But for a boy who holds the Phoenix medallion of the Sunwoo clan and the knowledge of the Black Heaven & Earth Technique, the world of the Murim will come to him... Continuation of The Breaker with new allies and enemies.

Manhwa you may like:
+ The Gamer
+ Gosu
+ Yongbi

Isei’s life crumbled right before his eyes as the one he fell in love with died. But when everything seems dark in his life something happens...

Once upon a time, there was a leak in the sky and the residents of the sky kingdom sneaked out to the human world. They were known as monsters and gods because they are totally different species. One day, five Ahrangs came to earth by God's will in order to send the sky people back to where they belong. After ever-lasting battles, the sky people were finally gone and never seen again by the world. However, it's rumoured that the legendary Ahrangs remained in the land still in search for sky people.

From OSTNT:

Geli Shijie (Segregated World); A virtual reality game where only those who are chosen can play. In order to prevent more players from entering the Segregated World, three hackers of the Hackers Alliance G attempted to steal the Odin Core to destroy the server.

While trying to protect the two goddesses, Xiao Chang Feng was heavily injured, on the verge of life and death, he was then fused with the Core, unleashing the power of the Core, Xiao Chang Feng....

es un manga yuri

A port town where the Mafia actively operates behind the scenes.
Gohongi is a young man who has come back to this to place where he was born after many years and finds a job working at a video rental store, which also becomes his new home.
It is here that he begins to live with a young girl named Mei and a homosexual by the name of Katsura.
But both of them are members of the Mafia group, Lovely Town.
And fifteen-year-old-Mei is a ruthless hitman.
There have been rumors that the struggles between Mafia factions are becoming more intense.
Still not able to completely grasp the situation, Gohongi winds up getting dragged into a world of trouble...

A demon boy who lacks horns on his head wields the cursed blade "Onikirimaru", the one weapon that can slay a demon, in a never-ending battle with the demons that haunt Japan during the age of the samurai.
Behind the stories of Oda Nobunaga, Toyotomi Hidetsugu, Ishida Mitsunari, and the other famous generals of the Japanese civil wars lurk secrets and demons ...
An astonishingly deep story about these demons and the sword Onikirimaru!
And this also includes the secrets of Onikirimaru's birth, which readers have always wanted to know.
The legend of Onikirimaru explains clearly how Onikiri was born, and the hidden secrets of his past.
Behold the battle between the darkness of the age of the samurai and Onikirimaru!

From Aerandria Scans:

She dreams what any normal woman dreams: Find a good man and get married. There's only one hitch. She has absolutely zero talent in being a housewife! Determined to overcome this problem, she enrolls in classes to learn. The only problem is her teacher turns out to be a man and a younger one at that!

The souls of the Hakkenshi are reincarnated in the present. Inuzuka Shino is a high school student who shares the name of the legendary Hakkenshi, "Devotion". The name has caused him nothing but stress all his life. Now, because of his name, he's gotten himself wrapped up in a conflict with the Blight, creatures from a giant hole that has suddenly emerged in the city.

A metaphorical depiction of Japan's apprehension concerning the advance of western culture in the country during the period preceding the Meiji Era.

Historical figures and psychedelic experiences are on the menu.

Yuuki and Michi -- two childhood friends who drifted apart are reunited inside a mysterious train.

Coil is a man whose idea of "life" is his alter ego in an online world. A place where the hearts of people come together...and it is not a pretty place. The slender spiderweb that connects their souls within this endless world brings greater pain than reality itself.

Demon summoner - what is this? And why?... These are the main questions Touya Douji is trying to answer. Just where should he be looking for them? Maybe, inside himself?