Nagumi Koushi is a 12-year-old boy who was abandoned by his broke father after their house caught on fire, leaving him to roam the streets penniless. Then one day, a girl named Minerva who finds him lying on the sidewalk takes him to a women’s college dormitory, one known for housing troublesome residents, and asks him to be their "Dormitory Mother." Surrounded by older women and forced to deal with their idiosyncrasies, Koushi starts his new (somewhat ecchi) life!

Nishimura Hideki is a young man who once confessed to a person he thought was a girl online, only to find out that this person was actually a boy. He keeps this story secret and swears he'll never trust a girl online again. However, one day a girl online confesses to him, and it turns out she is actually a beautiful girl named Tamaki Ako. But Ako unfortunately cannot tell the difference between the online world and reality, and she is also a loner who has trouble communicating with others. Hideki and his friends from the guild then decide to work together in order to help her understand the difference between real life and online gaming.

Thirteen years ago, an unidentified wall of light suddenly appeared around Sumihama. In order to return to his hometown, which had been cut off from the outside world since that day, Gataka Oro (24 years old) crossed the wall. At that moment, he was engulfed by a blinding light, and when he woke up, he found himself in the body of a child. Furthermore, his estranged childhood friend, Hime, appears before him just as she was back then. His body and her appearance, a nostalgic scenery, familiar places... Is this the world thirteen years ago?

Bar, an ordinary middle-aged mister* and a veteran adventurer, lived an easy, comforting life in the Imperial Capital. He would carry items for adventuring parties or help the guild’s staff from time to time.
“Mr. Bar, glad to have you today!”
“Thank you for your words.”
That uncle who was liked by everyone in the capital, was actually the strongest arsenal of the Empire–One of the “Laevateinn”–Bartolomeus.
“Please step forward, Lord Bar.”
With a delicate and beautiful elven girl, Welhe Mina, to back him up, his gallant figure racing across the battlefield or the political battleground was simply godly—like a War God.
The heroic tales of the dowdy adventurer AND the mightiest arsenal starts here!

When you call for domestic help, it's your classmate who comes...?! A daily short series of romantic comedy with a maid classmate!

This is the story of a delinquent who “gives birth” to a formless creature that uses a sex doll as her body.

A college student buys a new apartment dirt cheap and the reason was that once the front door is opened from the inside it connect to a dungeon in another world instead so he goes to an adventure in the dungeon and meet new companions which treat him as a the Great Sage

From MangaHelpers:
This is the story of a pair of step-siblings who are now living alone together. The high-school-age older sister, Kyoko, is pretty wild (and is even into pro-wrestling), while the elementary-school-age little brother is a fairly serious kid. He is often embarrassed by her teasing. The two of them pass their daily life together, every day cooking for one another.

Yamamura Sakura is an ordinary human girl that has recently transferred to a new school, but there's a twist! She has been placed in the "Aijin" class, Aijins being supernatural beings and demihumans! In her desperation to fit in in and to prove herself to her demihuman classmates, she tells a "small lie": That she's actually a succubus...and so begin her hectic High School days in a desperate attempt to fit in and hide this small lie!

A spin-off of Little President, featuring former delinquent Aihara Masane, her step-brother Jun, and her step-mother Chitose. Most of the humour comes from how Masane and Jun are madly in love with each other but can't figure out how to express it, and how Chitose is probably more OK with this than she should be.

Akira Natsume seems to almost have a phobia of electrical devices while also being very good at diagnosing them. He resolves to change himself for the better and get a girlfriend like his older brother did... But then Akira suddenly dies in an accident. 16 years later a special policewoman and her android partner retrieve and activate a highly advanced AI and super-weapon called EX-ARM and put it into full control of their ship as a last resort. Turns out the AI is actually just Akira's brain!

An exterminator dies and finds himself in a fantasy world, without any skill with the sword or wand he carries on doing what he knows best.

Accidentally summoned by an ancient map, first year high school student, Kiyokawa Hiroto is forced by the arrogant Lord of the castle to exterminate the vampire that has been haunting his castle. Unexpectedly befriending a girl from Mummy tribe, Hiroto skillfully managed to capture the Vampire with her help. However, he is soon framed by the Lord of the castle. Bravely and kindly aiming to be a Lord, the fantasy of summoned to another world starts!

Ashida Mamoru is a god-tier manga assistant but his habit of turning authors lazy has left him without a job. Luckily one of his classmates from university happens to have a little sister who is a serialised manga author in need of an assistant.

Veyron City—a mega-floating metropolis created from the discovery of new energy sources.

Shuu, a young man who owns and operates a small business in the area, leads a meager life due to his reckless spending. Kisara, a girl who visits Shuu's office and home because she is constantly concerned about him. She works while attending high school in Veyron City, doing everything from clerical work to housework. Ayano, Shuu's ex-girlfriend and a senior colleague at the corporation he had previously worked for, is also worried about him.

Thus begins the slapstick romantic comedy of three people in a slightly unusual relationship that takes place on an artificial island in the Pacific Ocean.

University graduate Mu Siyun sent his resume to the star fleet on a whim and somehow became the Fleet Admiral! This is the story about an admiral with a harem of 3000 female soldiers conquering the universe.

Gay girls and Onsen.

The 12-year-old boy entrusted his destiny to the dying nation!

Hercule is a boy who was raised as a successor to the declining Lemuria empire. Hercule has been crowned as the new Emperor of the empire, which is on the verge of being destroyed by the previous emperor, but in fact he has a secret that no one knows about...? This is the story of a young emperor who becomes the savior of the Lemuria empire and the champion of the three continents.

Childhood-friends-turned-couple Ritsuho and Kyoichi have been dating for five years but naughty times are nowhere to be found. Ritsuho tries to bring their relationship to the next level, but Kyoichi doesn't seem very interested...?

An upright and clean handed person, Kusakabe has no experience in dating. Wishing for sexual desire and love to go into ruin, he keeps his distance away from them. However one day, a cute neighbor, Hiragi-san, appears before him and asks him to hand over his used tissues to her!? And so begins the story of a serious guy and a neighbor succubus, a one shot heart thumping comedy!!