This is a world where there are three classes- Royals, Nobility, and Commoners. The Commoners are at the mercy of the Royals and the Nobility. There is magic, and an elusive siren...how does it all come together?

In an RPG-esque world where people's positions in society are decided at birth, Tolza is a "subjugator" who's on a quest to defeat the demon king. He meets and teams up with various people during his adventures, though the dangerous nature of their world means that many of them die. However, as a subjugator Tolza possesses a special ability which he keeps secret at all cost: he gets stronger every time one of his companions dies.

From MangaHelpers:
Hatou Gaku has a very odd friend at school named Marii Yukari. Yukari has purple eyes and a bizarre way of looking at the world: she sees all living things as robots. This has not always worked out well for Yukari, even costing her a best friend when she was younger. However, Yukari insists that the things she says she sees is true, and her vision seems to give her insight into the abilities of others.
Gaku thinks she's just weird, but she soon realizes that Yukari has unexpected talents. It seems she can fix anything, and even the police come to hear her insights. It turns out that Yukari's purple eyes are not unique in the world! However, there is one important distinction among those who see humans as other objects. Do humans appear as unimportant as objects, or do those objects appear as important as human beings?

From Reverein Scanlations:

We all know about school rivalry, but these two schools take it to a whole new level.

From the back of volume one:

The liberal traditions of Aoinomiya Gakuen and the disciplined traditions of Kaburaya Gakuen. Sharing the same territory, to this day these schools continue to compete violently with one another, and the fateful relations of the long-held Jintori Game unfold. If all three jin are stolen, the school itself will cease to exist.

Then one day, Aoinomiya’s new Princess was abducted by Kaburaya.

Akira who pokes his nose into everything, Kaiki who hates ghosts, and Shinobu who is actually a powerful son – the three of them set off to investigate—

Jintori Gassen (Game) is Ohkami’s newest and currently ongoing series. Filled with a number of characters from both Aoinomiya and Kaburaya, there’s plenty of comedy, action, intrigue, and even some romance to be had.

Based on the 7th book in the "Anne of Green Gables" series - Rainbow Valley.

Ah-chan and Ryouko, childhood friends eight years apart, are now teacher and student. Though Ryouko wants to rush into things, Ah-chan can’t take one step beyond her role as a teacher. After receiving a matching cellphone charm as a present, Ah-chan buys paired rings for a return gift, only to realise that she’s lost the charm…!?

The distance between them shrinks away in “STEP UP”; a girl in love with Ryouko appears in “STEP FORWARD”; and then “step by step” calls for tears of joy with wedding dress x wedding dress… The road to love between Ryouko and Ah-chan is bountiful.

Also included are “Leave hickey?”, about the radiant proof of love school girl Kimu carves into the body of the art teacher Miyano-sensei; and “secret love”, not previously published in a commercial magazine!

The sequel to the Baki series, it is supposed to concentrate around the conflict of Baki vs. his father.

After enrolling in a college, Mitsu begins living in a boarding house in hopes of living a peaceful life. But the people whom he lives with are made up of different personalities and they had a welcoming party for him. But the next day when he wakes up, he finds himself lying next to his next door neighbor... The novelist, Tsuburaya. Moreover, Mitsu can feel this throbbing pain coming from his butt, what could be the meaning of this...?

From Perpetual Dreams:

7th grader Oshiro Shinobu, the daughter of one of Japan's old family lines, was separated from her parents due to certain circumstances when she was only six. Because of this she now lives with one of her distant relatives, Kouda Shougo, who is a teacher at the school she now goes to. Apparently, a childhood friend by the name of Oku Saizou is transferring into Shinobu's class, but wait... This timid and hesitant boy is actually a ninja who serves Shinobu and he has transferred for the sole purpose to protect her...?!

Tetsuo Aoki is a 4th year oil painter at a fine arts school. While working in an art supplies store, he meets an older woman named Akira Aizawa, who is the manager of an art gallery. Akira becomes interested in Tetsuo and she begins to pursue him when she catches him painting on the riverside. After such, their relationship begins to develop romantically. Will it develop smoothly? Or will there be unforeseen events?

From Nagareboshi Manga: The protagonists, Hinako, Makoto, Yoshi and Yuki, are standing up!! One day, the four are called to the principal's office and shown some scary graffiti that had been put up on the school wall. One reads, "I'll kill Shinozuka Makoto". It's their job to find out who did this, and who's after Makoto. Near-death experiences and mystery await!

Arikawa Youichi's life at university is going just fine. He isn't having any trouble with his classes, he has plenty of friends, and even a cute girlfriend named Kanami. Then the day comes where he meets Misaki. Misaki Shouta is a reserved, stand offish fellow but for some reason, Youichi can't seem to get him out of his mind. In fact, he can't seem to stay away. When he lands a job working in the lab with Misaki, it seems more than just the flowers are about to bloom. But will they recognise their emotions for what they are, and have the courage to accept it?

From Bakeneko Scanlations:

Tokura, an associate university professor and mystery novel writer, has a lovers relationship with Gin, the man he has yearned for, for a long time. However, it seems that Tokura is dealing with quite complicated feelings...?

Note: Please do NOT add links to doujinshi series from the main series info page. There are simply too many series to list. Instead, go to each specific doujinshi page and place an "Adapted From" link to the main series.

What would you do if you win a lottery? Bringing you the life changing event you only dreamed of! New episodes on Wednesday! (GMT +8)

Chance and the last basket of eggs brings two people back together on a rainy night. The past, their days at university and all that made them important to each other is placed before them again. The complex interweaving of past and present is revealed to us as we learn more of their connection the two of them.

Mounted warriors line up and rush to the assault. Brandishing swords on horseback, the warriors slash at each other... This kind of image of feudal combat is all a lie. Well, then, how did Samurai really fight? A declaration of war has now been made against the lie of combat that was forged during the Edo period, and continued uncontested to this very day.

A collection of stories:

1) Ano Hi, Seifuku de (That Day, in the Uniform)
I haven't got myself used to this adult-like appearance with some nostalgic flavour of youth.

2) A Senpai
Body and mind think different things. But which one is true? A junior and senior love triangle.

3) Chuugaku 3-nensei (Middle School, Third Year)
There is a pervert in the male restroom in the book-store. Beware!

4) Hadaka no Boku (Naked Me)
Being shaved, becoming naked, the hidden feelings

5) Tenkousei (Transfer Student)
The secrets under the uniform, that none of the classmates knows.

6) Nikoichi
God knows when my childhood friend become much tinier than me. We have been through the heights and lows together, and now is my start with that childhood friend.

6.5) Extra to Ano Hi, Seifuku de - Konya, Ano Hi ni
2 years have already passed since that night.

In the Dekichatta Danshi series:

Vol 1. Dekichatta Danshi
Childhood friend of the house next door, the tsundere Hisui and the serious Yuujirou are always fighting. Although they're always doing it?, Hisui says that they aren't a couple! Can a baby be raised by those two?! Actually, Hisui and Yuujirou came from a lonely home environment. Will parenting and love be compatible?
A popular series, with a lot of H!
~BA

Vol.2. Harem Hen

Vol 3. Honeymoon Hen

Vol 4. Hungry Hen

Vol 5. Haruhi Hen

Vol 6. Harahara Hen

Vol 7. Haruhi Hen 2
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extra story: Dekichatta Danshi: 3P-hen (できちゃった男子～3P編～)

Hearing news of demons plaguing the Hakkyokuseiken dojo, Andy leaves his friends to investigate it. To his shock, the rumors are true and the demons' overlord is the formerly deceased Geese. Using his troop of seven demon lords, he imprisons the younger brother and hopes to make him one of minions. Worried about his brother's absence, Terry teams up with Joe, Mai, and Big Bear to battle the undead forces and rescue Andy.