Description from MU:
Weird development where the main character, who is the fourth son of a noble household and is called the stain of nobility, has to inherit the house because his three brothers were conveniently in the same party and all died to a meteorite apparently. The older sister who's left disowns herself and instead registers herself as his foster daughter and now she calls him dad all to get the him to head the house and have him demonstrate his true ability.

I Saw It is a biographical piece following the life of Nakazawa from his youngest days in post-war in Hiroshima up until his adulthood. I Saw It became the predecessor for Nakazawa's popular manga series Barefoot Gen.

A boy with a troubled face and a cheeky senpai who does not remember him..
Serialized as "Ore wa Senpai no Nan Nan Desu ka?!"

This is the tale of a man who had mastered how to “parry.”

“I have no talent at all…”

At the age of 12, a young boy named Noru had decided to train himself in the mountains after being rejected by the capital’s official training centers for being “talentless.” He believed that, with enough hard work and effort, he could one day become like the protagonists that populate his childhood stories. Full of determination, he would practice every day with his makeshift wooden sword, endlessly repeating the only sword technique he knew—“parry.” The hours turned into days, the days turned into months, and the months turned into years. Eventually, he had trained this one skill to such an extreme that he could snap a thousand branches with it. However, no matter how hard he tried, he couldn’t get the desired result, he couldn’t learn any new skills required to become a real adventurer. It may be time to let go of his dream. But he couldn’t. Not just yet. Knowing this, he returned to the capital again.

This was a man of endless dedication, a man who used that dedication to become one of the strongest in the world. The only problem is, he didn’t know it yet.

From Devious Breezes:

Uesugi Teppei and his father lives deep in the forest in search of a buried treasure. Isolated from society, Teppei became a wild child with no restaints until one day his uncle found him. Teppei finds out that he is actually from a very prestigious family with 5 siblings. For the first time in his life, he will have to attend school and live under his grandmother's rules. Can Teppei really adapt to his new environment?
It was also adapted into an anime that aired from September 12, 1977 to March 27, 1978.

“Heartthrob idol Shiina Canan accidentally helps Masaomi Mouze; a man who collapsed in front of him. Mouze in a rush of gratefulness, kneels down and requests to “Return his gratitude”. When Mouze’s manly body and back tattoo caught Canan’s eye, he offers Mouze to live with him as his bodyguard to return the favour. A dutiful sense of gratitude X A bitch hidden behind a heartthrob facade.”

A dutiful sense of gratitude x A bitch hidden behind a heartthrob facade.
This is a dramatic story about two people with perfect physical attraction.

Question: What would you do, if a girl you're interested in would confess to you? On top of that, what if there was another girl as well? A cool upperclassman adored by the whole school and your cheerful, energetic childhood friend. I bet you would be over the moon. Thing is, what if there was an unexpected problem about the contents of that confession?

Included stories: Ore x Yome: Himekawa is 26 years old and has a beautiful girlfriend who wants to remain a virgin until she's married. He's lied to her and told her that he has a career with a company when in fact he works at the local convenience store. Ashamed, and wishing to power up his career so he has a shot at actually marrying his girlfriend (and her virginity), Himekawa replies to a want ad and is surprised to get an immediate response. Gyakushu no Ore x Yome: Kou's very good with computer science and robotics, but not very skilled with the opposite sex. He has a crush on his coworker, Moe, but he hardly even speaks to her. Then one day, his 99 year old self from the future sends him back a present; an android of Moe that only wants to make him happy. His future self comes along for the ride, in the form of a little phallic robot. His new penis-bot and android girlfriend are definitely going to make his life a lot more complicated.

Nakagawa Hinata, an ordinary high-school student, is arranged to marry Joumori Zen, a rich heir. The engagement was arranged by her grandfather.

When the time came to meet her future husband, she found that he is the complete opposite of how her grandfather described him to her! Now, what do you think will happen in Hinata's life?

From Ebil Trio & MbE:

A university student is threatened by an unknown old man. "I hate people like you! Your fate is to die," said the man with an undisguised persecution complex. To escape this hurt, I’ll do only enjoyable things till my end! he argues, in his extreme desperation. In the midst of his delusions, the man propositions him, saying, "Do you want to have sex?" while he takes off his clothes. Then, little by little, he begins to find the suffering face of the man cute?! "Welcome home! The rice will be done in 30 minutes, so shall we have sex?" "You should hurry up and escape from here...!" Can love bloom in this lifestyle of confinement? An incredible five-chapter compilation by the one and only Kimura Hidesato!

Soji Mitsuka is an ordinary high school boy who has an obsession for twintails. One day he encounters a mysterious girl named Twoearle, who is from a parallel world, when monsters appear in his town and declare that all twintails in the world belong to them. These monsters feed off "attribute strength", the spiritual energy of humans. Twoearle entrusted Soji with Tail Gear, imaginary armor initiated by powerful twintail attributes. With the armor, Soji transforms into a girl and twintail warrior branded Tail Red, to protect Earth.

From Antisense Scanslations:
A Collection of One-shots

Story 1: Arrogant Kiss
Due to her father's re-marriage, the sisters Kana and Hina gain a stepbrother, Ryou, who happens to attend the same university as Hina. When Kana accidentally overhears Ryu's friend mention how he's becoming family with his unrequited love, what is she to do?

Story 2: A Love that Cannot be Recommended
Natsuki and her boyfriend were dating for two years until he dumped her for someone else. To top off the shock, her ex married his new girlfriend within 6 months! At first, she takes her broken heart out on Onda, a hot, popular guy at work, for introducing them, but could it be he isn't what the rumors say?

Story 3:Holding My Angel
Hitomi is walking her neighbor’s dog when it breaks away from her and almost gets run over. A stranger rescues him and says that as compensation for his injured leg she has to walk his dog every evening. But could he have an ulterior motive...?

Story 4:Your Lie on Christmas Eve
Shizuna’s career is finally looking up: She’s been put in charge of a team of four people at work! But not everything is going as planned. First, the other two women on the team both think cute coworker Kiyotaka has confessed to them. And then, he does confess… but to Shizuna!

Story 5:Kiss the Princess
Shouko is a tall, cool-looking girl who wants nothing more than to dress up in cutesy clothing—and attract the attention of Hirotaka. In desperation, she asks a friend to hypnotize her and make her a cute girl, but Hirotaka ends up getting hypnotized. What will happen...?!

From Nagareboshi Manga:

・Oresama Ouji
Sawa hates Judo. She was once really good at it, but boys always rejected her because she was so strong. Now she's entering high school and the gorgeous captain of the Judo club has selected Sawa (against her will) to be the club manager! He also claims he knows her from the past... How will Sawa deal with managing the sport she hates most, especially since the captain seems to like her?!

・Koishiteru...

・Koiseyo!! Onna no Ko

Everything has been a contest between Shou and Tatsuo since they were children. Now they've admitted their mutual attraction, a new competition begins... Who will top?!

Source: Blissful Sin

A party of 4 heroes defeat the Demon King, however with his last bit of power he separates and gives each of them an unusual curse to make them suffer for the rest of their lives

Keiichi is good looking, yet he can't get a girlfriend and he worries that he's still a virgin! However, the reason why he can't get a girlfriend is because his cute childhood friend Michiru is obsessed with him and has secretly been blocking any girl who goes near Keiichi!
Turns out Michiru stalks Keiichi and wants his everything! What will Keiichi do with this heavy love!

Puberty.
When you are afraid to talk to girls and you can't be honest.
My childhood friend from two classes above me, is the beautiful and cool "Maka-senpai"
But only I can talk about "magic" with her!!
With a little lie, starts a (not so) magical love comedy!

This comidic story follows Tamako, an energetic young girl with cat ears and a cat tail (although this doesn't seem to be important), and her family. From a rabbit that comes out of a cooking egg to a bitter disgruntled teacher who writes children's manga, this manga is full of gags and laughs.

Crossover between Ore Monogatari!! and Nisekoi.

The OREN'S manga is set in the aftermath of a great disaster, and depicts the struggle for survival of men