Enters childhood friends Mika and Reiko. Now they are both adult married women, and decided to vary their seemingly boring life with swing (partners swapping). Seas of enjoyment with topping of sweet secret drama.
Borderline story with walls of text.

Manga adaptation of the Pokemon Conquest (Pokemon + Nobunaga's Ambition) game for DS.

Includes:

1) FOUNDATION

2) Wagamama na Otoko

3) 三人成虎

4) LUCKY PUNCHI×2
A young Super Sentai actor falls in love wit his teacher, but cannot confess his love. Until one day a new challenge gives him a chance...
Included also in the anthology Nikutaiha Gachi!.

5) Dousoukai (Class Reunion)

6) Bespoke: Savile Row

Somewhere in Tokyo, there is a room. In that room is a black sphere. Periodically, people who should otherwise have died are transferred to the room. There, the sphere gives them special suits and weapons and sends them out on a mission to kill aliens here on Earth. While these missions take place, the rest of the world is largely oblivious to them. These missions are lethal and few participants survive them. The sphere calls the shots and it's not the slightest bit nice. Its name: Gantz.

It's the year 1994. As a young otaku from the countryside, Nakai Junpei has learned to keep his hobby a secret. His only fun was drawing erotic manga about his classmates. After graduating from high school, he was accepted to a college in Tokyo, where the bookstores are abundant. While there, he also finds the one thing he was hoping for most - a manga circle.

From Antisense Scanslations:

Rin sells her body for a living after her parents passed away. The other villagers conspire against her, and eventually they take it upon themselves to kick her out of town for lowering the town's morals. With nothing but the clothes she's wearing, some coins, and a loaf of bread her childhood friend Yuu gave her, Rin sets out with no goal in mind. What will she find in the forest as night falls?

Cutie Honey for the 21st Century.
Seiko Hayami a private detective and her partner Hisashi Hanyu, are tasked with solving the cases that the police can’t handle. What they soon uncover is a seedy underbelly of crime perpetrated by an organization that can turn humans into monsters.
With Seiko being overwhelmed by these outrageous cases will a hero arise to help in her stead?
A warrior of love only heard from stories long ago.

Tadanori Takamura is a failure in everything he does. His job, his marriage, his life. One day, he is offered a way out of his hell (by a 3-fingered woman): A gambling game called "cowarDICE". Shady characters and dark moods abound in this intense gambling drama by Noboru Takahashi.

(Warning: contains sex and adult content)

Manipulating a demon with a worm-eaten body, the girl exterminates all sinners!! Accepting requests from the families of victims killed unreasonably, boys and girls are set on continuing to kill the sinners. They are responsible for this business without knowing when it will end, but also unable to live a different life, today also they open the curtain of revenge

Chapter 1-3:
Aoi is a quiet and shy girl who suffers from the attacks by classmates. Tomoya is the most popular guy in school who isn't aware of Aoi's existence at all. Atsushi is Aoi's uncle to whom she was always forbidden to approach. One day, Atsushi invites Aoi to teach her how to be a woman, so she will be able to conquer Tomoya and get her vicious revenge on her classmates. Will Aoi come to regret this decision?

Extra 1 - My Place:
Yumi is depressed after finding out that her boyfriend is cheating on her. She goes to a bar to take a breather and hooks up with a guy called Yasuharu there. It should have just been a one-night stand but......

Extra 2 - Her First Time:
Kouhei breaks up with his girlfriend and confesses to Kana. Kana agrees to date him and experiences her first love, her first kiss and her first time feeling jealous & insecure.

From Animeraider:
When 16 year-old Haruna runs away from an arranged marriage, her parents force her younger twin sister Wakaba into the marriage instead. But while Haruna ran off with a boyfriend, Wakaba has never even been kissed. How will a high school girl survive going from nothing to full on marriage with no steps in between?

This is oneshot of Tokyo Ghoul.

From Blissful Sin:

Comedian Ashina has nipples way more sensitive than most people.
Suddenly, during a TV performance, he let out a strange voice, and anticipating a bad reaction from the audience, he decides to undergo a special nipple training by his performing partner, Kamiya?

This book is a compilation of 6 complete stories including ?It?s not like I?m doing it because I like it!? and others, like oyaji-uke, gijinka, historical tales and more!

Presenting Kijima Hyougo?s and Aqua Comics? muscleman smut series!

Content:
1. 好きでやってるわけじゃねエ!!
2. 昭和四輪哀歌
3. ふんどし剣士
4. 朱に眠る
5. イツワリ
6. 激情ナイン

A misty day at the waterfront. In relation to Forget-me-notImari lives by herself with a stray cat that found her one day. In short chapters, this is the story of her lazy everyday life eating, drinking, and napping on her bed naked with cats.

The Arume, a dominating alien race of female humanoids (alien lesbians) has conquered Earth. With total control over the world they have begun live experiments on humans.
One day, out of the blue, a girl that Shouta Yanami has never seen before in his life arrived at his house asking to have sex with him. How will this end for Shouta Yanami?

Collection of short stories by Maruo.

It's almost impossible to summarize them, most of them aren't really plot driven but they deal with abnormal states of the mind and are permeated by a general surrealism.

As in many of this works, he shows references to the art and culture of 1920s and 1930s Japan and Germany which had inspired his own artistic style.

Zombies can turn humans by both biting them and as a STD. There are also levels of Zombification. Now that this virus is running rampant the government is trying to control it by putting a collar on ever zombie over level 3. Unfortunately for Yukio, he is a level 3. This is his story (or at least that's how it's looking).

A high-school kid who’s a total loser throws up a lot. That’s about it. 25% of the manga is Juichi (the title is a pun on his name) throwing up or sneezing in full page spreads. It’s total madness.

After being betrayed by his country, Jirou left his past as a hitman behind and came back to Japan where nothing mattered anymore in his eyes. But that's before he meets Nami, an active hitman seeking vengeance for her father's death. But not any hitman, a wallman! Jirou is then brought back into this world and teams up with her.