The manga is based on THE iDOLM@STER music rhythm game, in which the player guides nine idol singers as their producer. (from Animenewsnetwork)

A boy and his senpai get kinky in a classroom after school.This manga contains tentacle play and is not for the weak of heart. You have been warned.

A comedic oneshot featuring a bunch of girls with machine guns.

From Del Rey:

Out of the blue, a beautiful girl asks Kakeru to run away with her. This could be any boy’s dream come true, but there’s something strange afoot. It turns out that the girl is on the run from a shadowy government organization intent on using her psychic abilities for its own nefarious ends. But why does she need Kakeru’s help? Could it be that he has secret powers, too?

From Rayns&Lele Scans:

Demons will grant any human one wish in exchange for their soul. Anzamnia, an ambitious demon, has fallen to the bottom of the chart, having collected zero souls. After being kicked out to earth by the police, he found himself in Japan, in search of a human contractor in order to get back home. Then he crosses his way with a lonely little girl, who is convinced he is an angel sent from Heaven and insists that he grant her wish and form a contract with her, knowing it will take away her life? Anzamunia's first contract is formed, and her wish is... for them to get married?! So starts the blissful married life of this adorable and idiotic couple.
A marriage of different races, ages and personalities will now commence!

Ikebukuro, Tokyo—a neighborhood where twisted love prowls!! A series of street slashings in Ikebukuro begins to connect total strangers: A teenage girl with no personality of her own; a beat writer for a third-rate tabloid; a teacher suspected of harassment; an informant based in Shinjuku…and a headless rider straddling a pitch-black motorcycle!! Meanwhile, the slasher continues to terrorize the night, all in search of…“him”!?

A collection of stories:

1-3. Tadashii Ace no Kouryakuhou
a.) Hiroto Fujiki is the ace on his high-school baseball team. He takes an interest in one of his groupies, only to find out that "she" is not who "she" appears to be.
b.) Ayumu Tsumori is acting as the manager of his school's baseball team, and he borrows a book from his sister to help improve their chances in an upcoming match. Following the book's instructions, Ayumu starts cross-dressing for the team.
c.) Masaki Mizuhara fills in on his sister's baseball team, and catches the eye of the team's ace pitcher Hirona Fujiki, the sister to Hiroto from the first oneshot.

4. Hypnotism Trick
When Touri Hirahara is hanging out with his two friends Kashiwagi and Kunieda, Kashiwagi says he can use hypnosis, so Touri decides to fake being hypnotized. However, things get out of hand when Kashiwagi "hypnotizes" him into believing he's a girl.

5. Ani Tsura
Kazuki Hasegawa started drifting apart from his younger brother Kazuomi after he started getting interested in anime, specifically a certain magical girl anime he's particularly obsessed with. Kazuomi has been doing bad on his tests, so Kazuki agrees to dress up as Kazumi from the magical girl anime so that he'll put more effort into studying.

6. Khaki P to Sumire-hime
Rei Kawasumi is the vocalist of his high school band Violets, but they're not very popular, so Rei goes to ask the advice of Haruhiko Tsuchiya, a popular composer who posts his songs online under the name Khaki P. Tsuchiya tells Rei that to gain popularity, he has to not only cross-dress, but also sound and act like a girl.

7. Moshi Bare
Rin Aihara transfers to a new school, but tries to keep her intense love of baseball a secret.

Narrates the story of Kyuuki, a strong, proud fox demon who recently woke up and needs a host and Kamishiro Shin, a normal would be high school student if it wouldn't be for "his ability" and for the fact that he got a hold of the black Grimoire that controls Kyuuki's existence.

Shin is bound to the book as long as he is alive, thus not only he can't sever his connection to Kyuuki; but those who want the book's power are bound to come after his hide regardless of time and place.

Japan's boxing scene has gone crazy since the commissioner keeps approving the world domination boxing's goods in monstrous forms. As more and more boxers gear up with deadly weapons, they violate the sense of justice in fighting, a masked boxer appears to stop that.

The tale of a boy who falls in love "at no sight." It seems that everyone has met her BUT him.

High School Student Kiriyama Kyotarou's parents own a beauty shop that he helps in everyday after school. Due to the fact he has to go home to work everyday after school, he never has the chance to get a girlfriend or join any clubs. But that may change since the delinquent female gang-head of his school asked him to teach her how to be an idol.

Kanau Yukimura is nine years old and she's meeting her father for the first time. However, he turns out to be an otaku! The two of them start living together in the same apartment, next to a lot of interesting neighbors. Unsurprisingly, things don't always go smoothly for these two...

After the game to become god. Yukiteru winning there were a lot of question the epilogue left. This story focuses on the 3rd world Yuno, and as well reveal the current relationship of all the "Mirai Nikki" users.

Two students sit together and start talking about stiff shoulders, massages... and various other things their active teenage minds come up with.

This collection, titled simply Short Program, collected stories by Adachi published between 1985 and now.

Volume 1 (from Shougakukan):
1. Kinkyou "Recent Times" [1987]
2. Kousaten mae (Before the junction) "The Intersection" [1986]
3. Shooto Puroguramu "Short Program" [1987]
4. Teiku ofu (Take off) [1988]
5. Chenji (Change) [1985]
6. Purasu 1 (Plus one) [1986]
7. Murasaki (1985)
8. Nani ga nandaka (What is what?) Part 1 [1985]
9. Nani ga nandaka (What is what?) Part 2

Volume 1 (from Viz)
Story 1 - Change
Story 2 - Take Off
Story 3 - Short Program
Story 4 - What's Going On!? (Part 1)
Story 5 - What's Going On!? (Part 2)
Story 6 - At the Intersection
Story 7 - The Current State of Affairs
Story 8 - Plus 1
Story 9 - Purple

Volume 2:
Story 1 - Before Spring Comes
Petit Comic April 1992
Story 2 - Subject - Wakaba
Weekly Young Sunday January 1995
Story 3 - A Stop on the Way
Shōnen Sunday September 1994
Story 4 - 5X4P
Big Comic Superior July 1992 - September 1992
Story 5 - 4 on the Richter Scale
Shōnen Sunday July 1988
Story 6 - Aim At the Ace
Shōgaku Shinen Sei June 1986
Story 7 - Spring Call
Shōnen Sunday April 1993
Story 8 - Spring Passes
Big Comic Spirits May 1993
Story 9 - The Road Home
Young Sunday October 1989 - November 1989
Story 10 - Sayonara Game
Big Comic 1991 Summer Special

Volume 3:
Story 1 - Clogs and Diamond
Story 2 - Where the Wind Blows
Story 3 - Angel's Hammer
Story 4 - Memory Off (part1)
Story 5 - Memory Off (part2)
Story 6 - White Summer / Shiroi Natsu
Story 7 - Square Ocean
Story 8 - Idol A (part 1)
Story 9 - Idol A (part 2)
Story 10 - Idol A (part 3)
Story 11 - Running God
Story 12 - Short Mail

Volume 4: Girl's type
1. Short story of a parasite (part 1)
2. Short story of a parasite (part 2)
3. Harsh life of a parasite
4. Love confession
5. Season
6. Two champions
7. Capricious Punch / Kimagure Punch

Once upon a time in the forest there lived two wolf brothers. The younger brother was very weak and was a crybaby. He couldn't attack the humans who were their prey. the older brother who couldn't watch his younger brother anymore, trained him everyday in order to make him stronger. But those days were about to be changed by a twister girl named Little Red Riding Hood.

When Rad is child he can't control his power as result he killed his Older brother Rinpu. After that Rad Decide to tech many people same as him, How to control own Power. He Created a school for it. He looking for peoples with same power and recruit them to his school.

Satsuki Yumizuka, Sion Eltnam Altasia and Riesbyfe Stridberg are outcasts of society, living in the alley, hidden from public eyes. Satsuki and Sion are both vampires and together with Ries, they have been living aimlessly after the events of Tatari. Sion decides to build a robot to help construct decent living quarters for them, but something goes horribly wrong and the robot ends up making a 100 meter pyramid in the middle of the city. Thinking there might be foul play, the trio investigate the pyramid and get things under control. Based on the Tsukihime and Melty Blood games, you will be introduced to other familiar characters like Kohaku and Akiha.

Starting where “Boku no Idol” left off, the school’s Cultural Festival is now over and the idol performance was a great hit! However, Aizawa Momoka has started to develop feelings for her childhood friend Hirano Harufumi. Can Momoka overcome her shy disposition in order to let Harufumi know how she feels? Or will her new fan club and clumsy nature get in the way?

New One-Shot from the mangaka of Psyren. 15 year old Eita gets inhabited by a species from space who challenges him to guess its name within five years or else he will be taken captive back to its home planet to be examined and study as a biological species from the planet Earth.