This is a side story of the Tough series based around Miyazawa Seiko (Kiichi's father) and his brother Kiryu. Many of the same elements of Tough can be found here, such as mixed martial arts and a lot of violence.

When Brooklyn separated from New York City, it caused havoc on a massive scale. Now, one year later, a mysterious purple figure engulfed in flames has appeared. Who is the Purple Heart and what does his arrival mean for the future of Brooklyn?

Average, everyday Japanese gameaholic gets sucked into an alternate world where he has summoner powers and life keeps turning out to be like one big video game.

From KodanClub:
Akira Shindo has been transferred to Fuga High School where she is almost raped by a group of young thugs. She meets Mahiru Suruga, a mysterious but beautiful girl with both arms in bandages. Mahiru is aloof and cold. Her motto is, "I will neither rely on others nor have anything to do with others." The two girls get caught up in a series of incidents at school and Mahiru, a strong fighter, always manages to sort them out. Mahiru starts to soften up, as she becomes friends with Akira, who loves to stick her nose into other people's business.

Mahiru's school life is turned upside-down as many people approach her. Kaede is a high school student training as a swordmaster under a senile old man, who turns out to be a real pervert and a fake. Mahiru's father also comes into the story and things get chaotic.

One day, Satoru Tsunami, a high school student and an aspiring reporter starts following Mahiru. He deeply respects Mahiru and considers her the strongest high school student and a rebel against adults. Why is Mahiru so strong? Satoru tries to find out her secret. Why has Mahiru shut herself out? What is going on inside Mahiru's mind?

A vampire is able to escape near death by making a deal with the devil. In order to obtain a fresh woman's blood to be offered to the devil, the vampire becomes even more malicious than the devil himself.

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The Kingdom of Commons is a continent located in North Arcadia. Mitia Commons is the princess of the kingdom, and she is so extremely shy that she has barely ever ventured outside of the castle.
Now, out of the blur, her mother, the queen, declares that she must go through a ritual in order to become qualified for the throne. The ritual requires that Mitia to collect four powerful stones to complete a magical staff. By doing so, she will overcome her extreme shyness. She embarks on an adventure with her friend and bodyguard, Atty and Sasha, in order to search for these four stones.

Fudou Jun (Devilman Lady) heads to St. Chapel School in order to track down a Devil Beast.

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As the protagonist is returning home one night, she runs into a man who had just been in a car crash. As he is dying, he asks her to throw a certain package into the sea.

The wild west of the United States in the late 1800s was a dangerous, near-lawless place. It was an era where force defined the rules, and men were known for the speed and accuracy of their gun arms. After aiding an impressive arrest in Ellsworth, Kansas, gunman Wyatt Earp is recruited to help defend justice in Dodge City, Kansas alongside Bat Masterson. On the way to Dodge City, Wyatt meets a lovely young singer, Dora, who seems to be in danger. Will Wyatt be up to the difficult task of defending the law in Dodge City?

A story of a girl who doesn't know how use swords or magic but is the best at making potions.

The story About a musketeer name Kaiser, Who wants to rescue a princess in the castle but is not her princess is not exactly what he thought ...

A disrespectful bitch can never have a long lasting love, but her love is rather sad and short-lived

From TJo:
Guy with a 70-word vocabulary doodles on sleeping Naked Chick in a fit of sheer immaturity, Naked Chick wakes up and attacks Guy, Guy accidentally marries Naked Chick, and then the two gang up with Noisy Girl while trying to avoid Perverted Villain and his moronic minions. Meanwhile, Perverted Villain's fiancée, Naïve Princess, disobeys her father's word and goes off in search for her love.
Got all that, or should I run it by you again?

[It’s a familiar dungeon.]
Inside a medium-boss room of an RPG game that he played again and again until he can get there with his eyes closed.

Waiting for a hero, a demon who exists only to be defeated, got his former life memory revived.

Knowing that, in his previous life, he was a nothing-special college student-

Continuing to stay as a to-be-defeated mid-boss is a no.

The determined him, decided to defeat the boss and escape the dungeon.

That which was obtained in the process was a doping item called “pearl piece”.(Jap:”珠片”) The demon, who was ordered by the goddess to collect the 15 pearl pieces that was scattered around the world, decided that after all this, he at least want to travel around the world of his favorite RPG game. This would one day become the legend of the Demon God of Oeyama, the demon romance story.

Aboard the luxury liner Phase 20, a girl named Ran finds herself and the rest of the crew taken hostage by the illusive and nefarious "20 Faces."

In an age of chaos, the four governing spirits of wind, water, fire, and earth reigned. There were those who could harness that power to cast spells, and there were a few who were blessed with the ability to hear the spirits’ voices, and those people were endowed with the ability to control the “Darkness Rage”, “Luciffis”...

Twins, Rudius and Mattie, are on the run, trying to escape the Spell-Caster Monks, who are trying to capture them to take the Luciffis. When the two are separated, Mattie turns to a fortune teller named Kishiru Mishuru to enlist her help in locating her missing brother, and that’s where the story begins...