A fantasy adventure about bonds forged with people in a different world. The setting is a world, where everyone has eight skill slots. In these slots people can put skills like “Strengthen arm (1 star rarity)” and “Fire Magic (2 star rarity)” from skill orbs, abilities which prove extremely useful for survival. The total amount of stars your skills have can never exceed your slots. Our protagonist Reiji, worked as a slave that mines skill orbs, until 10 years old. Along with his precious older sister, Larc, they worked gruellingly in the mines until one day, where the chance for rebellion occurred at the mine and Reiji got his hands on a ten-star, a so called "overlimit" skill, also known as World Ruler. Reiji went from a powerless slave to having an ability that surpassed human limits, but in the chaos of the revolt, he was separated from the only person dear to him, his sister Larc. “To regain his bond with her, to make her his true sister”, earnestly thinking so, Reiji’s adventure to distant places starts!

As a baby Jiro was delivered to his foster parents by a massive oni, who said he would return for Jiro in 15 years. When the time comes Jiro must contend with enemy oni, dark cultists, and their minions while attempting to protect both his parents and girlfriend from their depredations. Ultimately he must embark on a journey through the past, future, and other dimensions to embrace his destiny as Shuten Doji reborn. (Source: Anime News Network)

Akamori Mitsuo wants to be an ordinary salaryman but... He is a genius murderer born into a family that has been practising the ancient art of killing for centuries. Akamori faces obstacles like Yakuza, fighters and gangs in the path that goes to his want. *Note: The manga was cancelled after the author passed away.*

An autobiographical manga about the career of Nagai Go and how his most known works were born. How a young Nagai Go, struggling to break out of his typecasting as the go-to guy for gag manga by breaking into the sophisticated world of story manga. *Note: This part of Gekiman! mostly focuses on Devilman.*

Rudolf Turkey is a wealthy, smooth, cigar-smoking man, who also happens to be the acting mayor of the desert city of Gond Land. Gond Land is a place where money is power, and there are many casinos and show girl clubs. Rudolf gets into his share of questionable situations, such as making a bet out of foiling a bank robbery, or fighting with the mafia over the control of a club with lovely girls. With the help of his surprisingly skillful secretaries (Egumarinu and Momoko), Rudolf usually comes out on top. However, he doesn't seem to be able to get the woman he desires, a lovely woman in the town called Lapan, to fall for him! (Source: MangaHelpers)

Spin-off of Seinen Hakkaten focusing on Manabu's uncle, Koga, and his editor Najima.

He was an elite from the big city who had status, money, and women. However, when an investment in a share-house fails, he loses everything! At his lowest point of despair, he meets Tao, a brazen, young gay man who runs a share-house. “If you pretend to be a couple with me, I can help you.” To take back his elite life and lost pride, as well as gain the know-how of running a share-house, he has to accept Tao’s insane conditions!?

Taito has been really sleepy lately, and keeps dreaming of a particular vampire who says she has given him her "poison". Sometimes he even thinks he hallucinates her voice when he's awake. But after surviving an accident that should have killed him, Taito's world changes drastically and he realizes that his dreams are more real than he thought.

From Ebookjapan: Saburo, a new doctor, met a man in downtown Susukino, Sapporo. Saburo sees the life of a fierce doctor in Tetsuro Kokubu, who has suddenly disappeared after having shown great promise for the future due to his competence at a university hospital. The gekiga contains nine heart-wrenching arcs including "The End of Snow," which depicts the past of Kokubu, who established a small clinic in a backstreet of Shinjuku and is called "Dr. Kumahige" by the residents of the town.

All three of Mao's highschool girlfriends have been taken away by the gorgeous-looking Yuu. But in retaliation to the slap that he gave this popular guy, a confused Mao gets a kiss..!? Soon he's dragged into the world of the school's "celebrities," who all have special talents, which range from "entertainment" to cosplay, and even pleasure! What has Mao (unwillingly) gotten himself into?

Fear runs rampant throughout Tokyo with the revelation that demons in fact exist amongst us. Paranoia and the darker side of humanity boils onto the streets as people turn on one another, suspecting that anyone could in fact be a demon hiding in human clothing. Amidst the growing tensions, tragedy strikes Akira causing his mind to snap, retreating into his subconscious, allowing his Devilish alter-ego Amon to break free from Akira's cage of flesh and wreak havoc on both human and demons alike.

Searching for motherly affection, I found myself with a mysterious sugar-mommy… The beginning of a twisted parent-child relationship between two people unrelated by blood but both starved for love. (Source: Kadokawa, translated)