In a world where everyone has a monster crest since birth, only a select few rise up to become Monster Trainers. Reyn Erhardt, a slime trainer, the lowest of the low, cares nothing for status and just continues his daily training regimen together with his personal slime, Pem-Pem. In a school dominated by monsters as powerful as dragons, those who cannot hope to rise to the top take their frustrations out on the weak, and Reyn and Pem-Pem make for easy targets. Or do they?

In the silent and lonely darkness, two moons shown in the sky of a world with limitless possibilities. a mysterious, weird, delighted clown, several federal unions of cities formed three powerful empires, where interracial unrest and disturbance of monsters are a norm, this, is the time when heroes are made. Humans struggle to regain the control of planet earth while armed with the highest level of ambition. At this time of importance, second year high schooler Senior, Student Wang, he uses the Fate Roulette to upheave the world, watch out people, here comes the Senior!

The fairy tales of the celestial world are flying in the soul, and the souls return to the original body on the earth. Tang Xiu was surprised to find that the celestial world had passed 10,000 years, and only one year passed on the earth.

In the Xuan Hai Tian cultivation world, where powerful sects stand tall, modern day Yang Rui accidentally becomes the Dean of the divine Lang Huan Library. Yang Rui sets out to recruit new disciples and do something remarkable. Can Yang Rui glorify the name of the Lang Huan library?

Yuri, a college student, is saved by Ouya Toshiomi, the young leader of the Ouya group when she’s being forced into consuming illegal drugs at a party. Since then, even though she doesn’t want to get involved with the internal dealings of the Yakuza, she can’t help but fall for Toshiomi’s surprisingly gentle smile. This is the story of two people who are attracted to each other, but the courtship of a man who lives staking his life may be too fierce and crazy… “Yuri, it might be our last night, so let's get crazy together.”
The most dangerous love ever, begins.

From Which Scanlations:

Shuusei Kugayama is the "prince" of his high school, but he always turns down confessions--including one from Aoi Nishimori's best friend. Although she initially hates him for this, when Shuusei moves in next door to Aoi, who lives alone, she starts thinking that he might not be such a bad guy after all...

Fiolia is the daughter of a duke, thoughtful of her people and active in her fiefdom.
One day, she is poisoned by the heroine of an otome game and falls into a coma. When she wakes up, she regains the memories of a previous life... but finds out twenty years have passed?!
Fiolia learns of the scheming that the game heroine, Anne Rose, has been up to and that has been damaging the country. In order to return the favor to Anne Rose and save the people, she must act!
“Just you wait Anne Rose. You’ll pay for what you did!”
The refreshing revenge fantasy of a handsome lady who is always outside the norm!!

I’ve been given a chance to redo my life. I’m standing next to the man who once killed me.

That night was the “Star Festival”, a celebration for the founding of the proud kingdom of Hyland. Blinded by love, Queen Alicia had turned her back on the people of the country. She was then killed from a stab in the chest by a man who marched into the castle...or at least, that was what should have happened.

When she woke up, Alicia found herself 10 years old. Holding the memory of her murder, she was given a chance to redo her life.

In the midst of this, she reunites with Clovis, the man who once killed her...?!
This is the story of the Blue Rose Princess who will "redo" her life, and her future that is tossed around by the mischief of fate!

I was an ordinary Japanese high schooler but now I’ve been reincarnated into the classic fairytale “Snow White”! If the storyline continues, I’ll end up being hunted down and poisoned by the queen with a poisoned apple. In that case, I’ll just leave before the hunter comes!

A modern twist on the classic fairytale oneshot from the duo NANAO Mio x TOMA Rei.

I'm Saeki Emi, 28 years old. After I died from overworking, I was reincarnated and opened my eyes in the body of a 15-year-old queen.

I have a husband (His Majesty, the King) but... He's only 17 years old!

After I reincarnated, I thought I'd be pampered and live a life of luxury.

But his Majesty said, "A reincarnator's life is likely to be targeted." (As you can see, my identity was discovered.)

The original personality of her reincarnated body, Emilia, also appears as a ghost. Somehow, my second life is difficult and full of drama?

I was released from being a corporate slave. This time, I thought I could live a relaxed and peaceful life...!

This is a bit different from the usual reincarnation event. It's a healing royal palace romantic comedy!

Koharu's daily life starts with having breakfast with her little sister Saori and then meeting up with her friends Nina, Misaki and Himari.
Please enjoy watching these cute girls go through their slow-paced lives to your heart's content!

I was reborn as a princess in the world an otome game with memories of my previous life.
Wait, what? I'm the Heroine's love rival? You're kidding! I have no intention of falling in love with any of those pathetic guys, because the one I like is a support character, the Commander of the Royal Knights.

Except the Heroine, after being reincarnated in this shitty game where the support characters are way better than the love interests, is threatening to bring down my own life with flags, and I'm determined to strike them down.

The tale begins on January 1965, Vietnam. Hikaru Minami, a newbie reporter, lands in Saigon to begin photographing the war. Thus does his story of war, growth, life, and a tragic love begin.

Drawn in a simple and light style that belies its subject matter, complementing the writing very well.

From Kotonoha:
Paranoia Street‘s story follows the fantastically absurd exploits of a wannabe detective and his female assistant who roam the Japanese countryside looking for work. Each chapter has them arriving at a new town plagued by some bizarre problem.

Aiko moved to Tokyo out of an adoration for Shinonome Shion, a mangaka whose work touched her so greatly that she reveres them like a god. What she doesn't know is that Mao, her lonely, gloomy next-door neighbor, is actually Shinonome-sensei herself. Their complicated relationship grows deeper as Mao tries to keep her identity a secret while struggling with the pedestal that Aiko has unknowingly put her on.

Tsutsui Yukitaka is a freshman entering high school who hopes to become a good baseball player. However, when he walks into his new apartment, there is a man in the room who claims that he is an alien who lost his memory. He is in fact the first prince of Planet Dogra, known to have the best brain but the worst nature.

In a world where witches are shunned and have been forced onto the brink of annihilation, a samurai with no memories is transported to the hideout of some of these witches. Having the name: "Dragon King" and a keen strategic mind, its up to him to help defend the witches from those that would seek them harm.

Okumura's first impressions of his new coworker, Takamine, were 'hardworking but untrustworthy', but he didn't realize, he was actually helplessly cute…

This the story of childhood friends, Natsu and Shuuji, who finally come together.

Oneshots in this manga:
Vol. 1 - Please Express it Properly and Noise Nostalagia

Vol. 3 - Futari Yuugi
Mayumi is always having his boyfriends stolen by his twin Masaya. So why does he always introduce them to his brother, knowing what the outcome will be? Why doesn't he especially miss them when they're gone?