From MangaHelpers:
Suddenly finding himself in the Sengoku era, regular high school student Sagara Yoshiharu is about to be killed in the battlefield. He is saved by none other than the man who later becomes the infamous Toyotomi Hideyoshi but at a cost to his life. With history completely changed because of Yoshiharu’s actions, he tries to make things right again but it seems that history is taking a different course than the one he learned in school. Oda Nobunaga is now a brilliant but young girl named Oda Nobuna. Yoshiharu starts working under her command to bring back history to its correct course and find his way back home to the present world.

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

When Keita frees Whisper, a ghost-like youkai, from 190 years of imprisonment, Whisper pledges to protect Keita from supernatural dangers. Whisper also gives Keita a watch that allows Keita to see other youkai. Together with the twin-tailed cat spirit Jibanyan, they encounter many youkai-related problems and solve them.

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.

-Peeping Analyze- is a manga spin-off of selector infected WIXOSS anime series. The story revolves on a Selector and LRIG pair, Kiyoi Mizushima and Remember.

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!

The series follows the adventures of Sabu, a young Edo bakufu investigator traveling with the blind master swordsman Ichi. In their travels, they assist the common people in solving mysteries and righting wrongs (usually committed by bandits or corrupt officials). Sabu is engaged to Midori, the daughter of his boss, who works as a police officer for the Tokugawa shogunate.

This series won the 1968 Shogakukan Manga Award.

High school junior Wakaba Sakimoto is a normal girl, no matter how you look at her. Everyone around her is thinking about the future, but Wakaba still doesn't know what she wants to do. Then one day, she meets voice actress Touko Hosaka by accident, and Wakaba's future changes in a big way...

[from JManga]

Set in the Soviet Union, the mysterious girl named Belka and the quiet boy Shchenok help a Socialist Party member to escape from the secret police. Their aim is to infiltrate into a certain mansion that holds what they seek, but the secret police immediately capture the two. Will they be able to find what they seek and endure the torture of the secret police?

From Antisense Scanslations:

Sougo Amagai has no friends at school and spends day after day alone. The only thing that gives him comfort is the feather memento a girl gave him years ago during a traditional dragon dance. Her bright smile is also engraved in his memories. Even though so long has passed, that same feather will bring them together again in the world of dragon dancing.

From Nakama:

The brutish, possessive love story of a super model starved for true love?! I am the amazing, extremely popular model of Karisuma Models, KEI (Toudou Kei). I would like my roommate, and ineloquent cousin, Nanami, to be my lover! He walks around, pretending he’s really badass, but he’s a worrier at heart, and whenever I see him like that, or showing this awkward kindness that he has, I just love him, love him, love him…I’ve tried to seduce him more than once. But there’s a reason he won’t take me seriously?! Includes an extra. *heart**heart**heart*

A collection of oneshots by Hatsuharu, including I Wake Up With Your Kiss, Love Equation, The Flower That Blooms Within You and Me, and Our Sound.

Wake Up With Your Kiss
I have been looking after the helpless Haru for many years now as a childhood friend. He can't take care of himself, yet he's talented at soccer. I always watch senpai, who I have a crush on, while also keeping an eye on Haru. I don't want senpai to misunderstand my relationship with Haru...

Love Equation
I love studying, but a classmate has told me that I should take interest in love as well. Then, there's this certain boy that persistently begged for my assistance in order to tutor him, as he seems academically challenged. Reluctantly, I accepted, spending my spare time with him tutoring at the library. As I tutor him and at the same time, getting more acquainted with him, I start to have these unknown feelings for him...

The Flower That Blooms Within You and Me
I'm a very popular girl at school that makes any guy's heart flutter. I have yet to meet an interesting guy, until I encountered a certain member of the gardening club...

Our Sound
I think everyone has their own tempo. Mine happens to be slower than others, which does often get me in trouble. On the other hand, Fujishima-kun, a classmate of mine is a somewhat opposite to myself, where he is often energetic. When I heard a beautiful sound from a piano, I was surprised that it was Fujishima-kun himself that was the player. Ever since then, I was closer to him than ever before...

A run-down Tokyo at the end of this century. Here lives the young teacher Tsunagu who has to deal in his poor life with all sorts of bad-ass students and suffers a lot from his relationship with the violent lover Akira whose heart he knows he'll never have.

In spite of Akira's threats Tsunagu refuses to give up his teaching job because he wants to be there for a few good students like Aoitsuki. However, unknown to him, angelic-looking Aoitsuki isn't what he seems.

Meanwhile, there is Shou...

Having upset the president of the student council and embarrassing her in many different situations, Tsukasa is forced to do a small "punishment" by the president.

Part of Otoco Daughter Comic Anthology ~ Forced Hen ~

All of Keiji's bodypiercings are the symbol of a secret contract, which stipulates that all his needs would be completely taken care of by two twin brothers, Sou and You, in exchange for his becoming their pet.
However, the appearance of Miyama - Keiji's first actual friend - starts changing things. For the first time, Keiji finds it difficult to keep this dark secret buried, and the thin balance he tries to maintain unknowingly starts crumbling bit by bit...

Feelings like growing fond of someone, trust, friendship, love... each swaying feeling is depicted in this famous series, now in completed version!