Biorg Trinity follows Fujii, a high-school student who is in love with Enomoto Fumiho. He lives in a world where people are touched by a rare "illness" called the Biorg Bug. One day Fujii catches the bug which makes holes in the shape of hearts on his hands. What will happen to him now?

Humans and demihumans live together in peace, and in this world, there's a normal human named Hironori Tabata.
One day, an angel named Suzuki Lina went out to find him and said she wants to have sex with him...the reason—? The Demon King will be resurrected in the future and Tabata's son will be the hero that will fight and defeat him.

Summary from: Pinoymanga Scans
Kiriko and Takuto are cousins. They often spend a lot of time together. What no-one around them knows (including their parents) is what transpires behind closed doors when they are alone together...

The current generation of humans are often said to be called descendants of Adam and Eve. However, there lies a small number of a different type of humans in this world. Children of the one who is called to be Adam's first Eve - Lilith. Her children look completely the same as Eve's descendants, and the few who live among us... are still somewhere in the world.

Yearning for of the world of erotic novels, Shiina Keisuke triumphantly joins the business as an editor. The author he yearns to work with is Kuroki Chihiro, however everyone is afraid of her because she is a devil to work for.

Welcome to the first other world exchange program. An encounter and everyday life with people from other world in a 4.5 tatami mat room.

A young man who died in an accident while protecting a girl reincarnated in another world and was picked up by an old man. However, the old man wasn't just a person. Far from being just anybody, he was a "hero" who didn't understand common sense at all !! This is the story of a reincarnated person, Rain, who, fortunately or unfortunately, was raised by an unscrupulous hero and has acquired tremendous power. --Soon the boy grows up and makes a harem !?

Ostracized and attacked by his home village after the death of his mother, the half-human half-demon Elliot establishes himself as a dungeon lord with the help of his father's succubus.

From MangaHelpers:
The story begins in 1420, right as what would be known as the Bohemian War began. A young girl named Sharka is raped and left for dead among the corpses of her whole town, but she manages to survive. She is picked up by the Bohemian forces, who put a gun in her hands and take her on board as a soldier. Will Sharka be able to fight and take her vengeance?

What makes girls post naked pictures of themselves on social media? What hides beneath and what can be the consequences of such behavior...?

Tsukimiya is a dutiful kid who has been looking after his family since his mother's passing, and a popular pretty boy at school, but he rejects all those who confess to him due to an unrequited love he holds for one of his teachers. However he suddenly finds himself kidnapped by a group of beautiful women, who promise him a life of daily torture from now on.

She's a teacher in training and the only female at this newly established boy's school. As expected she get's a lot of attention but how will the rather green and inexperienced teacher react when they boys begin to want 'more' from her...?

A new infection has spread around the planet, that turns people into undead. The story begins a few minutes before the first recorded case, and shows the struggle of six youths to survive this new world.

The story takes place in the third year of high school, after the ending of the manga, but before Black Label (aka Arashi).

All the Ore no Sora series deal with the Yasuda family. The first two series are about Yasuda Ippei. This is a Otoko Roman Manga and the genre is about Japanese men fantasizing about being successful in the world.

Keita Suminoe has two older (not blood-related) twin step-sisters who love him in a lustful way and have no problems expressing it. They even like to compete about it; much to the laughter of his friends (which he usually endures without problems). One day they come to his school to give him his lunch, resulting in him getting angry due to the atmosphere. To counteract his anger, they confess their tender feelings for him in front of everyone and leave. Feeling sorry he chases after them and says that he'll study hard in order to get in the same high school as them.

The manga centers on homicide detective Hiroki Dan, the son of a former police superintendent general, and who seems to be on the fast track to career success. He maintains a hidden identity as a serial killer responsible for more than a hundred murders of people he deems beyond the reach of the law.

All human beings have various interests, hobbies, and tastes. Akane’s brother is such a guy who can't even talk about such things but instead has been secretly watching his sister. He discovered though her secret, as she saw her doing SM...!? Can this be true…? A secret love story of an older sister and her younger brother unfolds…

17-year-old Iguchi Tatsuya has just been released from juvenile detention and is on probation. He's been relocated to a new area, away from the bad influence of his old friends, and is under the care of his aunt. He is determined not to be sent back to lockup, and he works hard in his aunt's restaurant. However, he still has the same personality, the same tendency to violence, and still falls in with the same sort of people. It's going to be difficult for him to stay out of trouble

A story of a female "phantom" thief and a hot-blooded high school senior sleuth unfold in this mystery chase-action manga.