Kim SooHyun is an ordinary high schooler who isn’t good at studying, fighting, or being attractive. Suddenly, he’s faced with a quest window right in front of his eyes. After being given the powers of a game [system] out of nowhere, how will our hero confront the challenges ahead of him?

Mannenrou Ladies' Academy is famous for its upper class and posh students. Despite knowing how out-of-place she'd be, the former yankee, Hanaizumi Luna, decides to enroll there. Moreover, according to her underling: "Girls' schools means yuri!! Add in school dormitories? Now that's a world of girl on girl action!!"

And with those words in mind, Luna's new school life begins with a rough start.

And how exactly will her relationship develop with her socially inept roommate, Miyota Kohime...?

Taiki Inomata is on the boys' badminton team at sports powerhouse Eimei Junior and Senior High. He's in love with basketball player Chinatsu Kano, the older girl he trains alongside every morning in the gym. One Spring day, their relationship takes a sharp turn ... And thus begins this brand-new series of love, sports and youth!

High school home ec expert Tenichi earns extra money with a part-time job cleaning houses. But one day, Himari, the owner and model of the popular cosmetics brand Hima Riz, transfers into his class. Say hello to some company president girl x house-cleaner boy romantic comedy hijinks!

A graduate from the school of hard knocks, hit man Ogami faces his greatest challenge yet…middle school!

The year is 20XX… A time when every household owns cute maid robots known as OrderMaids. Average grade-schooler Bondo dreams of having his very own robot. But what he got was… Unable to compute!!! Life is gonna get a whole lot weirder when Roboco, the most powerful clumsy maid ever created, shows up at his door!

Seinen sports series, serialized on Big Comic Spirits. Nominated for the 2017 Manga Taisho Award.

A new series from the same author of Ballad x Opera, Sasamiya Akaza.

A story about high school students and reclusive NEETs at a boarding school. A mysterious beauty x reclusive NEET x aloof ikemen. Those who find it difficult to live in a cruel society meet by chance and a strange story begins.

Tales of a high-school calligraphy club.
A story about a high-school calligraphy club on the verge of breaking up that enters in a major competition while overcoming problems. Yuki, a promising female judoist, and Yukari, a quiet Canadian-raised boy who just returned to Japan, end up joining the club for the sake of maintaining the membership required to keep the club. Together with the old club members with unique characters, they gradually discover the fun of calligraphy and work together to win in the competition.

Note: Was nominated for 2008 and 2009 Manga Taisho Awards.

I possessed a third-rate extra villain character in my favorite game. I have no ambitions and I just want to live a quiet life. But sheesh, this world is a hard place to survive in. I will survive to the ending of this story, in a way the protagonist cannot. I will survive in the way of a third-rate villainous character.

A childhood friend and transfer student that's 8 meters tall...?! The start of a literally larger-than-life romcom!

With the arrival of three chaebol members into general high schools, teachers and students will be transformed into " brain fighting " schools that seek power by surrendering to massive capital. Dan-geon, a genius, came to inherit the school's rules.

Maeda is a new student in the Teiken High School. He stutters when he's nervous and he's rather clumsy. He gets noted immediately because he hits a teacher during the entrance ceremony. Some clubs search to enlist him as they see in him a force they can use to get even with other clubs. But Maeda is a loner and has only one dream: becoming boxing champion. His first objective is to beat the leader of the boxing club. "Rokudenashi" translates as "good for nothing".
The manga focuses more on gang warfare than boxing.

Aoi is a new teacher who has been transported to another world.

Aoi is picked up by Owen, an elf, and as they live together, Aoi masters more and more of Owen's magic and even surpasses him. In order to refine her magic further, she is assigned to teach at the Fiddich Academy, a school of magic!

Aoi starts her teaching career showcasing overwhelming magical abilities, and she is not daunted by the aristocratic troublemakers who dominate the academy.
However, her abilities have become the talk of the school...

Aoi's life as a new teacher at the academy begins with a tumultuous start...!

When Miyanaga Saki was a child, she would always lose her New Year’s money during her family's mahjong games. If she won, her family would be upset, and if she lost, well, she lost. As a result, she’s learned to play in such a way that her score always remains plus/minus zero: not good enough to finish first, but not bad enough to finish last.

Now a high school student, Saki dislikes mahjong and avoids it. Until one day a friend drags her to the school's mahjong club, where her hands touch the tiles once again...

Yu Ijin was the sole survivor of a plane crash when he was little. After becoming a mercenary to survive for 10 years, he returns to his family in his hometown.

Miya made a bold high school debut in an attempt to change from her once *infamously* boring self. She gets involved with another girl named Hiyo, and is convinced to enter the beautiful world of Japanese traditional instruments. Inspired by a mesmerizing live performance, Miya ends up joining Hiyo's quest to establish a "Japanese music club" and form a Japanese instrument ensemble.

From classmates to brother and sister, living under the same roof.

After his father’s remarriage, Asamura Yuuta ends up getting a new stepsister, coincidentally the number one beauty of the school year, Ayase Saki. Having learned important values when it comes to man-woman relationships through the previous ones of their parents, they promise each other not to be too close, not to be too opposing, and to merely keep a vague and comfortable distance.

On one hand, Saki, who has worked in solitude for the sake of her family, doesn’t know how to properly rely on others, whereas Yuta is unsure of how to really treat her. Standing on fairly equal ground, these two slowly learn the comfortable sensation of living together.

Their relationship slowly evolves from being strangers the more the days pass. Eventually, this could end up in a story about love for all we know.

Childhood friends who have been together since they were little. They both realize their feelings for each other, but are too close to be honest. What connects them is the "I love you game" that they have been playing since they were little. The end of their love is decided in this simple game where the winner is the one who makes the other embarrassed!

An elemantary schooler, Usami Kyuu encounter Ichiko, a female robot trying to learn about [heart]. What awaits the two that start to live together... Boy X Robot Girl, Begin!