From Overworld Scans:
Jiang Hao Yi, a normal, high-school student who is extremely scared of getting into trouble suddenly becomes the Harem King of his school and gets confessed to by a bunch of beautiful girls!.
The worst thing is, Jiang hao doesn't know any of the girls who confessed to him. What on earth is happening?

Kazuma Satō, a hikikomori (shut-in) die-hard fan of games, anime, and manga. A traffic accident brings his disappointingly brief life to an end … or it should have, but he wakes up and sees a beautiful girl who introduces herself as a goddess. "Hey, I have some good news — would you like to go to an alternate world? You may only bring one thing you like with you."

He responds, "…So, I'll bring you." With that, he is transported to another world and his great adventure subjugating the demon king begins … but first the hard work of finding food, clothing, and shelter begins. Kazuma wants to live in peace, but the goddess raises one problem after another, and then the demon king's army has its eyes set on him.

From Storm in Heaven:

Natsume's just an ordinary kid, except he can see spirits, just like his grandma Reiko could. Reiko, though, used to bully the spirits, and bound them to her will in the "Book of Friends". Now that Natsume has inherited this book, a never-ending stream of spirits is coming after him. With the help of a spirit "cat" (who really just wants Natsume to die so he can have the book), Natsume spends his days dissolving the contracts that bind the spirits and trying not to get killed.

Extras:
? Manabiya no Sumi (The Corner of the Schoolhouse) in v.6.
? Natsu ni wa Tameiki (w)o Tsuku (A Midsummer Sigh) in v.7.

Nominated for the 1st Manga Taisho in 2008.

The overwhelming preciousness that captivates all those whose blood she sucks! A new kind of pampering and feeding comedy!

Saito was reincarnated to the other world at the age of 15, becomes the Great Sage, and defeated the Demon Lord. Shortly after that, the door connecting the other world and the real world opens, and Saitou return to Japan with the power of the Great Sage. However, 19 years have passed in the real world. Saito, who was drifted away for so long, met his childhood friend Kanako, who’s now a single mother. But it seems like there’s someone who’s targeting Kanako’s life… A story of a slow life wannabe Great Sage who came back from another world begins!

No mecha, no action, no mystery, no paranormal activitites, not sci-fi.
Just normal working life and a very honest goody goody.

In the Houkago Play Series:

V.1 -
4-koma about a high-school gamer and his bossy tsundere girlfriend.

V.2 -
About a gamer and his mangaka girlfriend.

V.3 -
About a boy and a girl who are both gamers, though they play with different styles.

V.4 - R

V.5 & 7 - High Heels

V.6 - Maniax

Zeolith the lazy boy who was supposed to attend vocational school from the age of 15 at with the village's rule. At the age of 15, a vocational school knows its title and chooses a profession from among them. But the titles He obtained were only : "Title of the Highest Peak of the Human Race 【The BraveMan】", "The Strongest Ruler 【The Emperor】", "The title of the strongest magician 【The WiseMan】", "And the other one left "The lowest dislikes scums【Slave Merchant】". None of the titles that were eye-catching. He picked the lowest title 【Slave Merchant】, which is inconspicuous among them and seems to be easy to live.

But, He doesn't know it yet. It's the lowest occupation but it is the strongest for him and the most annoying-tiring ones. A harem struggle to be swayed by a variety of women, slutty alluring girls from elderly to younger ones who are his childhood friend's, the poisonous plantgirl, elves, cat ears adventurer, Loli Demon Lord, et cetera.

This is Tale of The strongest【Slave Merchant】unwillingly makes a big success!

In our world, the human race constantly debates about several important issues, such as: which girl is the best girl? How good is something as fapping material? Which fetish is the sexiest?
Accompany these great warriors as they present us with different girls, different opinions, different boners, and show us that the fantasy world may not be all that different from ours.

New shoujo manga artist Nana Futami works hard every day while being supported by Kaede Satou, her female editor who is older than her, and Mizuki Hazama, her assistant. According to the girl herself, she sometimes drums up intense daydream delusions of occupational illness! A working girls comedy set in the entertainment industry, brought to you by an author who always draws various girls.

A girl who grew up as the granddaughter of a yakuza family was reincarnated in a otome game, where the early modern mafia makes a secret move. She was the beloved daughter of the five major families that support the monarchy from behind the scenes! A dangerous love game between a former gangster's granddaughter and a villainous fiancé begins!

Aoyama Keita had a crush on his classmate Haida Monako, but he was too shy to tell her. One day, when Haida suddenly passes away, he is finally able to confess to her through a letter he places at her funeral. Little does Keita know, she returns as a zombie and blackmails him into letting her stay with him with the threat that she will tell everyone about the love letter if he doesn't. Now Keita has to hide Haida from his parents, classmates and the outside world because everyone else thinks she is dead. To make matters worse, as a living dead, she craves flesh from time to time and Haida doesn’t care if it comes from Keita…

With the laboratory, where individual researches come together, as a stage, an experimental sciences love comedy with laughs and kyun kyun, drawn by Yamamoto Alfred. 

Barato Nanami, a toned-down version of the gal at the top of the school pecking order, lost a game of cards and now has to confess to a guy in her class as a punishment. Misumai Youshin, who is a loner with no friends was the chosen guy but he knows about the punishment! It should have been a game punishment, but will Nanami grow feelings for Youshin...?

***A young "older" sister suddenly appears before me...?! A love-comedy of "irregular" siblings living together. ♡***

Asami, a beautiful but mysterious girl appears before Ryosuke, the protagonist who is in his thirties, and claims that she is his sister. She is the sister of Ryosuke's brother's wife, in other words, she is somewhat Ryosuke's sister... Aiming to be the ideal older sister, she decides to engage in extreme big sisterly acts!

I accidentally died while playing a VR compatible eroge, so that we can be reborn into the game world with the goddess’s measure. What gained as a benefit during incarnation is the skill and status of enslavement 【Tame】 specialization. Taking off all female enemies and giving us a pleasant feeling, it is possible to get to hand! Adventure while keeping your baby in hand as you go, while keeping your breath!

Raimon Middle School 's soccer club captain, Endou Mamoru is in a pinch - his club is about to be destroyed! Literally! To avert the wrecking ball and disbanding of the club, his team must win against the toughest soccer team in the area - Teikoku. Will Endou and his team meet a crushing defeat or will a mysterious transfer student with a fiery kick save them from disaster?!

Won the 34th Annual Kodansha Manga Award for Best Children's Manga.

Leon, a former Japanese worker, was reincarnated into an “otome game” world, and despaired at how it was a world where females hold dominance over males. It was as if men were just livestock that served as stepping stones for females in this world. The only exceptions were the game’s romantic targets, a group of handsome men led by the crown prince.

In these bizarre circumstances, Leon held one weapon: his knowledge from his previous world, where his brazen sister had forced him to complete this game. Leon, who really just wants to to live as a shut-in in the countryside, uses that knowledge to raise a ferocious revolt against the women and handsome men.

Very few adolescent boys and girls have an onset of special abilities. Yuu Otosaka uses his ability unbeknownst to others in order to lead a satisfying school life. And then, a girl named Nao Tomori suddenly appears before him. Their encounter reveals the destiny for wielders of special abilities.

The protagonist, Inaka Yuuji, was ran over by a truck because his awareness was dulled from overworking.

“Ahー, with this I don’t have to work so much anymore. I want to spend my next life leisurely……” was the wish Yuuji blurted out, He met God and it was decided he will be reincarnated in the countryside of the otherworld. He became Alfred Slowlet, 2nd son of a countryside noble, will he be able to enjoy and leisurely spend his slow life in the countryside?