Akira Nikaido is a typical slacker high school student who thinks he has a normal life--until a mysterious man called Shirogane appears and tells him to meet him at the school that night. He is skeptical but goes anyway... and gets attacked by a shadow monster! Shirogane convinces him that the balance between the human world and the shadow world has been distorted, and that Akira must become a shin--a creature of the shadow world--in order to help restore the balance.

An eight page short about a door to door sex toy salesman and his client from first Erohon anthology

From Nagareboshi Manga:

Chieri (Cherry) was living an ordinary life, until her sister Ichigo (Strawberry) suddenly left her child Momo (Peach) on Chieri's doorstep. Momo is an infant; how is Chieri supposed to take care of a baby while still in high school?! To make matters even more frustrating, two guys are fighting for Chieri's love...?!

Based on a real story which was posted on 2ch, Molester Man is the story of how Molester Man is mistaken for a stalker by Miss Understanding, and how they overcome their personal challenges while slowly growing closer to each other.

Hot blooded manga about... writing manga. There are actually a few series starting with Moeyo Pen (Burning Pen), then later on came the sequel series Hoero Pen (Shouting Pen).

1) The Memory of Water
Shiina is an ex-swimmer who is now a chain-smoking high school teacher. He's tried to leave his swimming past behind him, but upright student Kadokura won't let that happen.

2) Forecast of Life's Springtime
Minori is the son of professional gardeners and he's sick to death of flowers! Gardening club student Shoutarou kills everything he touches, and Minori feels sorry for him.

3) A Child's Belongings
Hiroto's parents died in an accident and then he is approached by a businessman who wants to buy him. But he's not interested in sex, he just likes to look at Hiroto in his school uniform.

4) Sweet Home, Bitter Brother
Atsuhiro and Yousuke were childhood friends who became brothers at a young age. They've always been together with the slightly older Atsuhiro leading Yousuke. But Yousuke has feeling's he can't tell his "brother" and resolves to go away to college.

5) Paradise Game
Hazuki Junya is a professional gamer who works for a video game company, but when he gets beaten by his new coworker and amatuer Hatanaki Ryouji he can't believe it. A friendly rivalry and friendship starts between the two.

Ichijou Kei is the son of a famous and powerful family. He's disgusted by everyone always sucking up to him, even teachers. But new Sensei Hayashi Satoru isn't interested in Ichijou's family connections, in fact he doesn't seem to like him at all!

Three stories featuring an element of voyeurism - one man observing the object of his affection.

1) Mitsumete Itai (I'll Be Watching You)
Chief Yamaguchi, a middle-aged married company manager, meets up with carefree motormouth Abe Kazuki once a month for dinner and sex. But each man secretly longs for greater intimacy. Over time they do become close, but the Chief's transfer to America and family problems threaten to ruin their fragile affair.

2) Ore ga Iru Kara (Because I'll Be There)
High school student Yagi is caught making out with a girl by Karino, senior member of the rugby club. As the school bad boy, this is no big deal for Yagi - especially since he and Karino weren't friends in the first place. But when the tables are turned a week later, Yagi must summon the courage to be a hero.

3) Yume no Hate (The End of a Dream)
John, a jaded male escort, has dreams of being with Chris, his aloof agent. How can a client's run-of-the-mill filming request drive these two professionals apart?

1) In the End, Love is Your Own Doing
Inuzuka is known as the eccentric prince of the school's chemistry room. His classmates always stayed away from him because they see him as a weirdo. Although one day, class committee member, Akai, is requested by the teacher to "Please get along well" with Inuzuka. However, Inuzuka's interpretation of "Please get along well", turned out to be "Please go out with me" and hence begin the high school love comedy!

2) Princes of Chemistry
The continuation of Inuzuka's and Akai's relationship!

3) Mitsugetsukei Honey
Who is this person that blankly states that he will have Takumi for "takeout"?
- From Forever More

4) Younger Man
Story of Miyabi from Mitsugetsukei Honey and Yui's younger brother, Jun.

5) Junsui Yori Mo Aimai Na
More Impure than Pure

6) I Don't Just Want to Be Cute!

1) The Superior Made of Honey
The handsome hope of the Sales Divison, Ichijyou, discovers that his superior, Supervisor Kirihara, has a body which is too erotic. Since Kirihara hasn’t had sex for the last 10 years, he is agonized by a body reacting to the slightest touch. “This is my first time with such an erotic body... Amazing... It's like the whole body's an erogenous zone.” While Ichijyou is being caught up by the innocent reactions of his supervisor, he is already drowning in that lusty body?! (from Blissful Sin)

2) The Secret Love Potion For You
High school student Itsuki has been despondent since his lover Kouji broke up with him. Classmate and chemistry whiz Kamiya Yuuichirou is determined to help Itsuki by developing a love potion! But is Kouji really worth all the effort?

3) Hunting of the Butler
Young president Tsukasa is always sexually harassing his butlers, and so they always quit. So when charming and surprisingly innocent new hire Mijima Shinichi takes the job Tsukasa decides to take his time seducing the young man. But the task is proving to be difficult...

4) Limit of Endurance
Continuation of Hunting of the Butler.

5) Love Started From the Sea
Drifter Riku relies on men to support him, but has trouble being faithful, which is why his latest boyfriend has kicked him out. Wandering the streets he meets handsome foreigner Gilbert who wants Riku to be his wife for his week-long visit. Unfortunately, Gilbert isn't as easy to manipulate as Riku thought. Has the young hustler finally met his match?

6) He Who Loves Horror Films
Tamura would do almost anything to spend time with his friend and secret crush, Ono. Even go to see the horror movies Ono loves so much. Too bad Tamura is such a scaredy cat. Tamura must try survive the film long enough to enjoy the time with his beloved.

7) If the Lid Was Opened
A continuation of A Superior Made of Honey.

A rumored girl seems that she can't graduate unless she takes extra classes and also pass the examination test with a 60. She thinks that there's nothing to do in the school, but while studying....she finds....

This is extra story can be also be found in the manga, Chocolate Christmas.

1) Mimitabu no Riyuu (A Reason for Earlobes)
Yamaguchi is a notorious womanizer. Some men admire him; others can't stand him. Ishikawa is definitely one of the latter. Nevertheless, when Yamaguchi's latest girlfriend dumps him, Ishikawa jokingly offers to comfort him with his own body. Unfortunately for Ishikawa, Yamaguchi takes the offer seriously. And, to make matters worse, Ishikawa discovers that he can't say no!

2) Yubisaki no Biyaku (Love Potion Fingertips)
Ishikawa and Yamaguchi are dating, but Yamaguchi's lovey-dovey behavior makes Ishikawa sick. Hoping to put Yamaguchi in his place, Ishikawa suggests that they "see other people." But things take a turn for the worse when each one catches the other with a beautiful woman.

3) Kuchibiru no Teppen (The Top of the Lip)
Ishikawa usually wears an irritable scowl. So why is he laughing and smiling so happily? Is it because he likes homemade sweets... or the cute girl who made them? Consumed with jealousy, Yamaguchi's patience is pushed to the limit.

4) Tsumuji no Mannaka (The Center of the Hair Whorl)
Ishikawa's nightmare is in danger of become reality. His boyfriend, Yamaguchi, is trying to win over his family! Fearing for his future, Ishikawa forbids Yamaguchi to visit his home, but Yamaguchi is determined to get close to the Ishikawas, one way or another. If Ishikawa won't accept him, then maybe Ishikawa's sister, Hitomi, will...

5) Ushirosugata no Natsu no Neko (The Summer Cat Turns Its Back)
After bad news from the doctor, a man reminices about a young man he went to school with, but then young man appears and he hasn't aged...

Extra) Te no Hira no Ue (On the Palm of Your Hand)

Volume 1
1-3. Not Ready!? Sensei
Murakami Hiroshi makes a living out of drawing yaoi manga, though he claims not to be gay. He has a girlfriend, yet regularly sleeps with another man, and even seduced his assistant. His sex life's a mess... will he ever figure out what... or who he wants?

4. Toki no Okibi
A wandering monk searches for the man with the mark of a magatama.

Volume 2
1-2. Not Ready!? Sensei 2

3. Unbalance
A chapter about Shinozaki and Tanabe, from the main story.

4. Love Formula
The first chapter of Renai Houteishiki.

5. Happy Dream?
chapter of Kusatta dj - Happy Dream?

6. Welcome to the Wild Island Kingdom

Okabe Shouichi, deputy manager of the business department, is forced along with all of the employees to convert their business into a maid anime cosplay café. During this awkward stage, he has to deal with Kobayashi, who tries to hit on him at every moment possible. Will Okabe finally give in to Kobayashi?

The son of a famous pianist, music student Shinichi Chiaki dreams of studying abroad and becoming a conductor like his mentor. Unfortunately, his fear of flying grounds his lofty plans! As he watches other classmates achieve what he has always wanted, Shinichi wonders if he should quit music altogether.
Then one day he meets fellow student Megumi Noda, also known as Nodame. This oddball girl cannot cook, clean, or even read a music score, but she can play the piano in incomparable Cantabile style. And she teaches Chiaki something that he has forgotten: to enjoy his music, no matter where he is.

Winner of the Kodansha Manga Award for Shoujo in 2004.

From Project Bite Me! Scanlations:

In a world where women are constantly wanting to kill themselves and insult the hard working women that work at Soapland, a single man rises up to stop them! Who is that man? That man with the super masculine form and a body of steel? It's none other than Nikutaikan-K! While he blindly rushes to their aid, maybe his first action should be to find out what is causing these women to want to die in the first place?

Keidai Saeki is a high school student who remembers his past life in Pompeii, living as the Italian warrior Sirix. His friends around him are all also reincarnated - although they don't quite remember things the way he does. Keidai's wife from the past? She's now a middle school boy - while his best male friend is now a cute girl?! Throw in a case of love at first sight, and you have a new look at romance - manga-style!

From HMR:
This is the sequel series to Sexy Simpleton, but don't worry you won't be lost! Eun Bi, the popular CF model, is back in modern times with her ancient Chinese boyfriend. Yet the adventure's not over yet, as she's transported back into ancient China. Will she manage to find the shoes that can bring her back?

Adapted From Neon Genesis Evangelion. A short story in the lives of the young Evangelion pilots. One hot day, Shinji gets into a fight with his apartment-mate Asuka, due to her revealing clothing. Will Shinji be able to figure out how to patch things up with her?

From ADV: Imagine a Neon Genesis Evangelion where choosing the right girl is more important than saving the world! That's the gist of Angelic Days--the hit manga that Eva fans have been waiting for! Based on a popular PC and Playstation 2 game released only in Japan, Angelic Days takes the angst-ridden Eva pilots and sets them in a lighter, brighter world.