From Temptatious Taboo:

Normal high school student Riku comes back home one day to find... she is now the school chairman of a famous elite school?! It seems her grandfather left her the post after his death and, although Riku is not really enthusiastic about the idea, there happen to be two really interesting guys that attend that same school...

Also contains a side story called Kimi no Te to Hitomi to (Your Hands, Your Eyes) in volume 5.

After the death of the Emperor, the country of Li is plunged into civil war. In order to save his brother's forces from imminent defeat, Xueya, 7th prince of the realm, enters into a marriage with the feisty pirate princess Jin Bi Hui. Will her reinforcements arrive in time to turn the tide? Will this political marriage survive? What would Bi Hui do if she found out Xueya's heart belonged to another?

This manhua based on novel with the same name.

Follows Nakabo Rintaro, an agent of a special extralegal government agency responsible for investigating and prosecuting individuals guilty of misappropriating funds.

Prepare yourself for epic manliness from the artist of Hokuto no Ken!

From Dangerous Pleasure:

The Master Sergeant, who is stationed at a garrison deep in the mountains, is being troubled by the fact that his comrades are all being distracted by the arrival of the beautiful new Catholic chaplain. When he makes a request to the Lieutenant Commander to replace the chaplain, the Lieutenant Commander tells him that he will grant the request if the team he leads wins a battle drill. However, the chaplain must also participate in the drill...

From Hoshi Kuzuu:

Chris, a beautiful young man whom he met at a bar and Yuu, who had a drunken marriage with him. And the matching tattoo on his ring finger was also meant as a joke... “We're married, so we've gotta stay together.” Persistent and possessive, he uncovers everything about Yuu's past. They happily drown in that drunken passion, but...!? A troubled tale of love that will move you to tears...has been drawn!

• Kuroneko to Futari Kurashi (Black Cat and the Domestic Life)

After a long and treacherous journey, our Hero finally arrives at the Overlord’s castle only to find himself being asked for help. The Hero explains how the war that the demons have brought upon the humans have killed thousands and put more in misery. The Overlord however argues that this war has made the human society band together as one and showed empirical evidence how it has increased population, increased production, boosted economy and improved society overall. Furthermore, she explains to the Hero that ending this war will result in a civil war that will produce more bloodshed than there ever was. The Hero, convinced that the only way to bring peace, relatively speaking, is to join forces with the Overlord, agrees to help with her plans!

One night, senior high-school second-year Nishina Airi is abducted. When she wakes, she is trapped in an uncanny, isolated space with other students from her high school and forced to take part in the “Werewolf Game”. Thus, a death game filled with fear and terror that would pit “Werewolves” and “Villagers” against each other, force them to murder – a game with rules so absolute, defiance is punished by gruesome death – begins.

Kayano is a rich guy, who fell in love with a guy -Takao- he found injured. He pitied the guy and decided to ask him to give him tuition. That's when he realize that Takao has a terrible personality. Even so, he still had Takao as his teacher. Later, a misunderstanding happened and Kayano's mother thinks Takao is only after the money and made Takao leaves. Years later, Takao returns to the household again but as a lawyer who was hired by Kayano's parents over some stupid broken tea ware. Kayano tried to hit on Takao but was rejected because Takao has a wife now.

From Megchan's Scanlations:

In a small town in Tokyo, the PTA argues about teaching sex ed in elementary school, but what nobody knows is that eleven-year-old Haruna is already pregnant. When she decides not to tell any adults, it's up to her classmates to help her through this ordeal.

Fushimi and Toume were just a normal boy and girl going to high school until one day they stumble upon a phantasmal mountain known as "Mount Hagure" .
Before either of them knew it, Toume was possessed by a yōkai named Dakini, a goddess that grants wishes.
When Fushimi is asked what he wishes for, his response is: Give Toume back. Dakini says she can grant the wish but in return he must become her servant. The deal is struck. Fushimi has now become Dakini's servant and Toume has been returned. Darkness, however, is afoot and now Fushimi must take on a more active role as Dakini's servant. Is he up for the task?

Renold has just had to take in a new roommate in his dormitory: Roger Brouwer, the school Casanova and well known to be a prostitute. While Renold is initially quite put-out at the prospect of having to not only room with the guy but also leave his own dorm while Roger services his clients, the two eventually strike up a friendship and grow close. But unfortunately, as he grows closer with Roger, who notoriously dumps his clients when they start to show feelings for him beyond simple business, Renold realizes he has feelings for Roger that go beyond those of friendship.

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Michiru Heya Reprinted Collection 1 (01～05) ---> P176
Michiru Heya Reprinted Collection 2 (06～10) ---> P176
Michiru Heya 11～13 ---> P44/P44/P48

Promo comic by Artlim Media for the second season of the Freezing anime. Recap of Freezing season 1.

From MangaHelpers:
Ichijo Kazuya thought that he was murdered, but when he came to, he was back in his high school days. He lived his entire life as a playboy and had had countless sexual encounters with women until that fateful day that he was killed. He realizes that his murderer was his old high school friend Tanaka Masaki who was jealous of Kazuya’s relationships and his built up anger eventually exploded.
Taken back 15 years into his past, it seems that he has been given a second chance at life and given a chance to make different choices. He decides that the way to prevent his eventual demise is to make sure Masaki is more successful with girls and loses his virginity before Kazuya. But fate seems to be steering Kazuya towards the path of his previous life and keeps introducing the same girls he had sexual encounters with.

From MangaHelpers:
One day, Matsui Sakura receives an invitation to a "Revenge Game," and decides to attend. At the location indicated, she ends up locked in a dorm-like building with four of her classmates. It appears that the Revenge Game is being run by a wealthy classmate, Saionji, who was bullied so badly by some of the students that it ruined his life. Now he is taking his revenge, in a brutal game that allows him to have one of his former tormentors killed each morning.
However, Sakura--a lonely, quiet, orphan girl--does not understand why she is there, unless it was due to her inaction in stopping the bullying of others. She's also the only one who received an invitation, while the others were abducted or tricked into attending. What is the final purpose of this game?

Ten contestants agree to put their life on the line to have a chance of winning 50,000,000 yen. To win, they must survive 10 days inside the prison...

-Tenji

UFO Robot Grendizer is the third entry in the Mazinger Trilogy by Go Nagai, following Mazinger Z and Great Mazinger. This particular incarnation was illustrated by Gosaku Ota and published in Boken Oh, Otomodachi from October 1975 – March 1977. It follows the adventures of Duke Fleed, the sole survivor of an attack on the Vegan Empire, who defends his second home, the Earth, from the Vegan attack, together with the giant robot Grendizer.

From Storm in Heaven:

A collection of short stories.
Chapter 1: For a long while now, I've been prone to losing things. It's the things most important to me that I lose, and it's always after I lose them that I realize it. And then, they're suddenly returned to me.

Story 2: Love Letter
A woman has just been discharged from hospital due to her successful eye surgery. As she steps out into the world, she sees her blind self...
Story 3: All of Sully/Lily
A man believes that people he loves should have spare bodies. His daughter happens to have one...
Story 4: Airport
A man drops off a pregnant woman to the airport...
Stroy 5: Fetish
An injured girl has met a man that thought her appearance were "cool"...

From Sound of Jewels:

Kingyo is the most lovely name in the world.
She was my stepsister. She had the most beautiful smile.
She was a crybaby. She was so kind that I couldn't bear it and
...I crossed the line.

Fourteen-year-old Kouichi Hayase’s life has always been a mediocre one, if not dismal. However, those days of being bullied by classmates and escaping to a fantasy of being a hero are put to an end when a certain “accident” bestows on him a girl and a gigantic humanoid robot called “LINEBARREL”. The extraordinary power that Kouichi obtains puts him and everything around him on a sudden rollercoaster ride of battles, intrigues and friendship! During the course of his adventure, the boy starts to learn what life has to offer; he meets new friends, bids farewell to the old ones, but most of all he now has considerable responsibilities and is forced to confront the world around him.

In an organization of professional killers called Thanatos, there exists an elite assassin. His skills are such that he reigns supreme over all the others in the organisation... And he is also the killer of the protagonist's family. The protagonist swears on his life that one day, he will rise through the ranks of Thanatos and challenge the man who took everything from him.

Fighting for the position of No. 1, the curtain rises on a battle fought with blood over blood!