The Adventures of Kotetsu

Beryl Gardenant, a middle-aged swordsman running a dojo in the backwaters, lives a quiet life, until Allucia, former student and Commander of the Royal Order of Knights, appears! Beryl’s life is about to change dramatically! City life. Old students. New friends and formidable foes. It’s all too much. But after years of training, he has mad skills, and he’s been dubbed “the backwater swordmaster.”

Toujou Basara is a high school student whose father has suddenly just remarried. His father then departs overseas leaving Basara with two new beautiful step-sisters. Little does he know, his new sisters, Mio and Maria are actually the new Demon Lord and a succubus!? Almost trapped into a life of servitude, Basara forms a reverse contract by accident and ends up becoming Mio's master! Hijinks ensue as Basara finds himself in one ecchi situation after another. However, Mio's life is in danger as she is pursued by demons and heroes!

In a world where Skill Fruits grant powers, aspiring adventurer Light is stuck with the useless «Fruitmaster» skill. Eating another one results in death, so no do-overs. Meanwhile, his childhood friend Rena quickly rises to S Rank. But when Light accidentally eats a second Skill Fruit, he survives and discovers his true power: He can consume unlimited Skill Fruits and gain their abilities!

In the story, a gigantic hole suddenly opened up in the world one day, and demons appeared. The king thinks that this portends the return of the demon king Rukimedesu, who was sealed away by the hero Kureashion a millenium ago. The king decreed that the descendants of the hero must take on the threat, and 75 people showed up. Hero No. 45 (Aruba) and a sadistic palace warrior (Ross) team up, and their adventure begins.

Amnesiac Caiman seeks to undo his lizard head curse by killing the sorcerer responsible, with his friend Nikaido's help. In the Hole, that's a threat.

Jotaro Kujo is a popular high school student – at least until that day when he thinks he is possessed by a ghost, which is why he locks himself up. During a fight between his grandfather and his grandfather’s friend Muhammad Abdul, he notices that the ghost is his “Stand”, named "Star Platinium", his fighting aura. Later, his mother also gets such a “Stand” and thus falls ill. Jotaro learns that a man named Dio Brando, who was defeated by Jotaro’s great-great-grandfather a hundred years ago, is to blame. He joins his grandfather and Abdul to destroy Dio once and for all.

One day, humanity was invaded by another world. Having experienced that battle, known as Other World War I, humanity moved to marine floats, built for emergency evacuation purposes, as soon as Other World War II began. It's around that time that Kizuna Hida is summoned by his elder sister and visits the Strategic Defense Academy Ataraxia where he meets Aine Chidorigafuchi, a girl who uses Heart Hybrid Gear Zeros to fight the otherworldly enemies. He has a tough time dealing with her, but when her Gear runs out of energy, the only way to get it back in action is to do something lewd to her!

To gain the skills he needs to surpass his powerful father, Baki enters Arizona State Prison to take on the notorious inmate known as Mr. Unchained.

Bayron City -- a Mega-Float type city in the Pacific Ocean, which doesn't belong to any particular nation. As the mine for Orgonium, a new energy resource, this city is the most noticed in the world right now, and here special cases caused by demons called "D Hazards" has been occurring frequently. Only a handful of people know about the existence of D Hazards. They are handled by PMCs (Private Military Companies). Shu is a young man living in Bayron City who runs such a company, but his company is tiny. On top of that, he cherry-picks his jobs, so he is always in a bind for money. His life, both publicly and privately, is being supported by the beautiful high school girl Kisara who attends a school in Bayron City.

Demon King Daimao follows Akuto Sai as the lead character, who on the day he enters Constant Magic Academy, receives a very unexpected future occupation aptitude test result: “Demon King.”

This is a world of magic where magic is used for everything. But deep in the forest exists a young man who spends his time training and bulking up. He can't use magic, but he enjoys a peaceful life with his father. But one day, his life is put in danger! Will his muscular body protect him from the magic users who are out to get him? Powerfully trained muscles crush magic as this abnormal magical fantasy begins!

Asahi, a boy who loves video games is killed in a traffic accident and ends up in another world. He tries to enjoy the otherworldly adventuring life he's always dreamed of, but his stats are on the level of an NPC's. He is in big trouble and is being chased by a monster when he hears, "Fear not, little brother!" and the monster is killed in one hit by Asahi's older sister, Maya, who followed Asahi to this world. So Maya has acquired some seriously OP skills, but she takes her adoration of her younger brother to extremes. Thus begins their story about an overpowered older sister with a brother complex and a younger brother with the weakest of stats in another world.