The meeting between a normal boy and a witch liberates the world from its curse...

I'm a magic apprentice. "My master," who has been living under this same run-down roof with me, is a shut-in girl who proclaimed herself to be a great witch. Despite sounding all high-and-mighty, my defenseless master loves to watch her disciple cooking for her. Our daily lives, filled with happiness, go by quietly. However, little did I know that behind that quiet, happy daily life is a terrible secret that involves the fate of the world...

Everyone on the Clockwork Planet considers Naoto Miura a machinery nut. Every moment of every day, he has his mind on gears and his hands tinkering with delicate mechanical motors, but nobody understand how he can hear and feel gears in operation, even from a long distance away. Then one day, a clockwork maiden falls from the sky, presaging events that would shake the whole world.

Rika is 19. She loves cosplaying, especially wearing high-school uniforms. On an online dating site, she meets a high school student, Hajime. He turns out to be her ideal guy and she meets him pretending to be still a high school student... Can this kind of relationship work?

The troubles of the handsome college student, Kei Tachibana, is that his cute, older girlfriend, Chisa, is crazy about other men. What's more is that the men are 2D "Oshi Characters." What tomorrow will Kei-kun face as he fights against those blasted "Oshi"?

This is a love comedy between a younger, devoted boy and working otaku girl!

Seko Daiko, a second year high-schooler is an extreme cheapskate. Taking down all the light bulbs in the house, making his siblings eat baked bread crush for breakfast... He would do anything just to save an extra penny.

Daiko was sure he could keep this thrift lifestyle going forever until... The world's fate depends on him spending money on a mobile game?!

'I', along with that girl, 'me' and that girl's 'Mama'. An early afternoon in summer on a listless day, the relationship between 'I' and 'Mama' started with the scent of her breasts dewed with sweat. A passionate and erotic story by Tsuyatsuya about love triangle involving both mother and daughter!

Hamaji Youhei, a freshman in high school, lives his life aimlessly, lazing around all day. He can't keep up with his studies, no good at sports and won't stick with anything for long. Besides that he's a pervert who's continuously rejected by girls. A sophomore convinces him into joining a club where he could lunge at girls, fondling and touching all he wanted. Thus he joined the Water Polo Club. Can Youhei, who never sticks with anything for long, find his place in this club?

The story follows the crazy misadventures of Kaizo Katsu, a former child prodigy turned weirdo after his female childhood friend, Umi, kicked him off a jungle gym in the playground, and he got a huge bump in the head. With this set up, Kaizo (believes he is a cyborg) and his classmates, Umi (will go revealing her dark side with every chapter), Suzu, and Chitan (an inferior being?), will treat in every chapter a different topic of life with the hilarious and interesting way of thinking of the author Kumeta. The attacks of different geniuses/weirdos will create a lot of funny situations.

Included is a story called Yuuryoubukken Chuukaishimasu (A Brooding, Gloomy Property) in Vol. 13: A young man moves from his hometown to Tokyo to attend university there and looks for cheap accommodation. He does indeed find something, but what is the non-monetary price for this?

Shimizu Kenta's high school life changed when he was seduced by Aoi Riku as a joke who then proceeded to bully him mercilessly. However, a messenger from hell named Beatrice came and gave him a choker so that he can dominate sinful women as an executor.

From Comic Sylph's Official Homepage:

Out of the blue, protagonist Snow White finds herself transported to a strange world. Here, many unusual creatures roam, and all the signs and words are backwards.
To leave this world, Snow White must fulfill one condition:

"Make Alice the King."

For the sake of returning back to her own world, Snow White must team up with Alice but…

A strange yet wondrous fairytale-like fantasy awaits you.

This story takes place in Wardell Ceram, a country of flowers and trees. Luka and Sylvan, the "Wolf Claws", act as chivalrous thieves who steal from evil aristocrats. One day, the princess of the kingdom asks them to help her crack down on corrupt nobles.

A thief x princess love comedy unfolds!

The seasons have changed and it will soon be the second spring. Tatsuya and Miyuki have finished their first year at First Magic High School and are on their spring break. The two go to their villa on the Ogasawara Island archipelago. After only a small moment of peace a lone young woman named Kokoa appears before them. She has abandoned the Naval base and she tells Tatsuya her one wish.

From MangaHelpers:
In high school, Maki Eiji was a delinquent, often skipping class and getting into fights. One girl, Chino Kotoha, was kind to him, until she was targeted by delinquents due to their apparent relationship. Suffering their attack seemed to have permanently changed her for the worse.
Years later, when Eiji sees her again, he is overcome with guilt and regret. To his surprise, a mysterious scantily-clad woman suddenly appears, claiming she can send him back in time to make everything right! He takes her up on the offer, but things are not as simple as they may have seemed back then. It turns out that Kotoha had her own painful secrets in those days, and Eiji may not be the only one traveling in time to change the past.

Anne (17 years old) is a girl who attracted demons ever since she was born. Mephisto, a great demon, wants her as his bride in hell... But Hal (12 years old) is a genius exorcist who saves Anne from her sad fate. Now, he proclaims that Anne is his bride instead!?

From Condensation:

Following the scandal involving his latest work, famous suspense novelist Kevin Fredward retires to the countryside to escape the media and the demands of city life. He posts a wanted ad for a new housekeeper, but who should come knocking at his door, but Rosemary--a talking duck! As wise as she is competent, Rosemary soon becomes a permanent part of Kevin's life. Under Rosemary's guidance, Kevin takes the steps to stop running from his past in order to change himself and his future.

Touya, a boy whose face was too scary, was enthusiastic about Inami-san, the most popular girl in the school, But she had a dark side....!!

Kitami Suguru is a delinquent glasses boy at KY, who gets himself involved with a fight and ends up getting saved by Tamaki Kanae, and she ends up following him. And she notices that he's actually a handsome guy when he doesn't wear glasses!!? Besides that, Kitami will slowly repay her and do whatever she says! Kanae's motto to calmly spend her high school life is going into chaos!!?

From Bandai Entertainment:

In his skyless cavern of a village Simon toils daily, drilling holes to expand his stifling little world until one day he makes an extraordinary discovery: a small glowing drill-bit and the man-sized mech it activates. Before he can give it a second thought Simon's dragged into a plot to break through to the surface by the local gang leader Kamina, only to have the ceiling come crashing down on top of them under the weight of a giant monster! It somehow falls onto the boisterous Kamina and cowardly Simon to defend their village, but once they defeat the monster what awaits the duo on the surface world? Get ready for buxom babes, beastmen, and giant mechs as only GAINAX can provide them!

The "military history story concerning boys and girls" revolves around Yuki, a girl who has lived in the rural area of Kyoto with her six childhood friends who all share a secret that they cannot tell anyone. On her 16th birthday, Yuki's fate begins to change.

Hiratsuka-sensei not being able to get married is wrong as expected!

Follow the chemistry between Hachiman and Hiratsuka-sensei in this Oregairu doujin by Twitter user @poipoipoita.