Description from MU:
Weird development where the main character, who is the fourth son of a noble household and is called the stain of nobility, has to inherit the house because his three brothers were conveniently in the same party and all died to a meteorite apparently. The older sister who's left disowns herself and instead registers herself as his foster daughter and now she calls him dad all to get the him to head the house and have him demonstrate his true ability.

An adorable story about a boy who got raised as a girl by his parents so he can succeed in the family's traditional theatre where the male actor has to act like a woman. Things get fun when you throw in a bunch of guys who think Jun is a woman and fall for him, and a girl named Ayano who accidentally learned Jun's secret... Did I mention that Jun can mop the floor with anybody, but he's usually too busy 'Kyaa'ing cutely?

Accepting the post of Royal Tutor at the court of the king of Granzreich, Heine Wittgenstein is a little professor with a big job ahead! Each of the kingdom’s four princes has a rather distinct personality. Does their diminutive new instructor have what it takes to lay down some learning?

The girl who changed my life is for those who never return. It is his left hand that rescues Shu in despair… ⁉︎

High-school student Suou Amadera has gone big brain and quit real life! Why waste time and money on real friends when you can browse the internet all day, every day? But suddenly, a mysterious girl appears, and with her saintly patience she shows Suou that maybe, friends in real life aren't so bad after all... Join us for the new "friendship comedy" by the author of the acclaimed "Tejina-senpai"!

It’s been many years since I’ve bloodied my hands for the United Empire and its emperor, Ragnar. I wanted to return to my hometown and live a quiet life as if to repent for my sins.

However,

“You are a great 8th class magician who is able to overthrow me and the empire at any time”

“How could I let a monster like you stay alive?”

After being betrayed on the verge of death by Ragnar, who was my friend as well as my Emperor, He stabbed my heart with a dagger that had time magic applied to it.

“The redemption I want is to put everything back to its place.”

The many different stories between two lovers -- a normal young man and a outgoing, passionate friend-come-lover.

Chigachi Fuuta an ordinary high school student who really admires ninjas is gifted with an extraordinary legacy, namely the soul of Hattori Hanzo, a legendary ninja. But because of that legacy, Chigachi Fuuta is targeted by various shinobi and ninja who still survive in the modern era. Can Chigachi Fuuta overcome these obstacles?

Serialization of a short twitter oneshot about a crow returning to repay her favor to an unsuspecting human.

Manga adaptation of the Kuroko no Basket -Replace- novels, mainly focusing on the Generation of Miracles during their Teikou days.

Summary from BAP Scans
In a certain powerhouse team from Teiko middle school’s basketball club, there was a 5-man group of prodigies called “Generation of Miracles.” And then, there was one more player, highly esteemed by those prodigies, a phantom sixth man – Kuroko Tetsuya. They managed to pull off the outstanding achievement of three consecutive championship wins. Afterwards, a certain incident took place and the team ended up collapsing. This story happens while they’re still in middle-school, before each of them went their separate ways. Episodes featuring Kise and the crew and also the cast from Teiko High-school are included. This is an adaptation for the “Replace” novel series, stepping into the court!

Picking up what appeared to be a runaway girl, next to the cigarette vending machine at a convenience store, Hira Katsuki, the protagonist, reluctantly takes her home to protect her, thinking it would be troublesome to leave her with a handmade cardboard tag around her neck that says "Please pick me up" and that she would be involved in a crime if left unattended. When he asks her why she ran away from home, she continues to joke around about it. The two gradually come to know each other through their conflicting conversations, and promise to live together for one week only. Living together while being unaccustomed to each other, the two of them…

Ten years ago, an mysterious black sphere appeared in the sky and destroyed the city below. Kagerou and Momiji were children when the destruction took place, growing up together into teenagers under this ominous structure. There is an undeniable attraction between the two, but Kagerou is hesitant to confess his feelings because he feels that he is too weak to protect her.
One day, the sphere attacks the world again, transforming people into monsters.
As Kagerou searches for Momiji, what he discovers of her changes their lives forever. Kagerou is taken in by an organization claiming he is now an "Ember," and that Momiji is a non-human "Dross," useful only as experimental material. Kagerou cannot accept this reality, and is determined to do anything in his power to protect the girl he loves and return her back to normal.

The spinoff manga centers on the character Kotori Otonashi, an office clerk at 765 Production, during her high school days. The first chapter will have color pages.

Hasuo Tsukinari is lonely high school student. He hates school and thinks of it as a prison. After getting involved in an incident with his literature teacher Ai Iruma, he was forced to be a 'white mouse' in her experiments to study about love.

The start of the first official spin-off series for Shaman King featuring the Tao Family and their fight against the Red Crimson!

Hikari received a magic jewel from her grandpa when she was a kid. She deeply believed that if she could kiss the guy she liked with the magic jewel on her neck, she could be with him forever. However, the reality fooled her by switching her body with an old man who is also a wanted criminal. Would she be able to run away from the police and get her body back?

While an island half-disappearing from the face of the earth, a mysterious organization is sending out invitations for a tournament to every skilled fighter in the world. If you win you can have ANYTHING you want.
They're recruiting only the best to fight the best and claim the title of The God of High School!

From ebookjapan:
If you manage to fill a piggy bank full of forbidden gold coins, any wish of yours will be granted. Those called "bankers" travel the world collecting those coins, and fighting to take them from each other. The energetic young boy Croket sets out on a journey as a banker as well, hoping to have his own wish granted! This is a grand adventure-style story, filled with mystery, laughs, and action!

Croket! received the 2003 Shogakukan Manga Award for children's manga.

Hayame leads a modest, peaceful life as a housewife. One day she meets a jackass student named Issei, but thinks little of it.
As Hayame's life falls apart around her, Issei makes an unexpected proposal which will turn her life upside-down.

Lee Kyung Ho's mind was engulfed with ending his life due to bullying and the loss of his mother. He attempts to, but is saved. His determination to commit suicide somehow entices Sierra, a grim reaper who later offers him a contract. This contract blesses him with the ability to borrow the powers of the dead in their previous life in return of sacrificing years from his lifespan. For the sake of attaining what he wishes for, he eventually agrees to it.