From Summer Rain:

The story unfolds in the Edo era in the Yoshiwara red-light district of Tokyo. Akane, a girl whose family is from Samurai, is sold to a brothel to be orphaned. To be the "little sister" of the "lady" No 1 spot. This will bring a client ask, then she meets a stranger very peculiar man. What will happen after that meeting?

Aramiya Seiichi is an ordinary high school... eroge otaku who's given up all hope on girls in the 3D world due to a certain incident. One day, after he bought a bunch of new materials in consequence of experiencing the frustration of a perfect eroge character turning out to be "used goods," he encounters a delinquent-like-looking girl being about to get raped by a bunch of guys. By mere chance, he rescues her.

Days later, when school starts again, it turns out to have been his classmate, Ayame, a feared delinquent girl who's got all kind of rumors about her—especially that she's "used goods." And it appears that she's set on becoming his ideal girl to make him fall for her.

Ajiyoshi Yoichi is a culinary prodigy who manages the eating house together with his mother. One day, Murata Genjiro appears in the eating house and is surprised at the delicious taste and delicate culinary skills of the katsu-don prepared by Youichi. Subsequently, Youichi is being invited to the Aji-oh Building in which he is involved in a spaghetti match with the in-house Italian chef, Marui. Youichi's novel culinary ideas, coupled with his enthusiasm of serving the best for his guests, allow him to defeat Marui in the match. From then on, Youichi begins to compete with other rivals in the race for the best tastes and dishes.

Won the 12th Kodansha Manga Award for shounen in 1988.

I reincarnated as the villainess in a game world—
I’m not afraid of banishment, I’ll manage my territory and live as I like!

I reincarnated as Celistina, the villainess of an otome game.
As the fiancée of the crown prince, in this world where everyone is gifted with blessings by the gods and spirits, I’m the “young lady without a blessing”. As a result of being a fan of the game, I know that the crown prince will be with the heroine sooner or later, and he will break our engagement. Alternatively, if they don’t end up together, I will be executed…

While all of his classmate were transported to another world as heroes, for some reason he was left out as the dungeon master... and he, Satoshi Shinta, became the world's enemy. As the enemy of humankind, in order to survive and live a pleasant life in another world, he had a big choice to makeー. Through devilish methods, make his enemies fall, and strengthen his dungeon!!
To violate his enemies or kill them, the curtain raises on (male) Satoshi Shinta's devilish dungeon management!!

“I’ve recently come to like someone. He’s my classmate.”
The short and sweet snapshots of a blossoming romance between two unsuspecting students! Packed with fluffy interactions between adorable (not to mention handsome!) characters, this series is sure to satisfy your sweet tooth~ (Source: Melon Drop Scans)

Yutaka Kongouji is the son of a wealthy family, but also an introvert and an otaku. He lives only to spend all his allowance supporting his favorite idol. But when his parents' business fails, he has to move into a run-down apartment on his own. There he ran into Rino Hyuga, a popular gal in his class?

The title character is Arisu Tanigawa, an aircraft pilot who gained extraordinary flying skills under the expert tutelage of her father when she was young — but who also has some issues. Arisu's life changes when she has a chance encounter with a mysterious boy on the same airplane she is piloting.

Ootori Tenma, who lost his parents and was raised by his grandfather’s and grandmother’s friends who are living in the countryside, loses his life at the age of 25. A god of a different world called out to the ghost Tenma. This is a story about Tenma who, is liked by multiple Gods of reincarnation, receives multiple cheats and lives a second life in another world.

As a result of the efforts of the people of Chaldea, the human incineration plan of those who called themselves the Magic King was bitterly stopped at the water's edge, and the destiny of the world seemed to be breathing again. However, suddenly, the singularity of the same level as the singularity so far is observed in modern times. A master who has opened up the future once again puts himself into a layershift to calm down the “subspecies singularities” that appeared in the cursed land “Salem”.

A high school student, Haro Ogawa, is a self-taught oil painter who is trying to paint the ultimate nude. After an encounter with a "witch," he sets his sights on applying to art school...? The mystery that resides in the human body, the ultimate "beauty" is painted on canvas! A skin-colored coming-of-age drama!

The manga will be an "archery girl comedy" centering around a girl who at first glance, seems perfect, but hides the fact that she is always on the brink of losing her cool.

Shou-chan is a member of the public morals committee who wants everyone to have a healthy relationship, and is worried about his childhood friend Sayo. Because she carries the blood of a succubus, she often approaches her beloved her Shou-chan in any way to make him "lovey-dovey sex". As he persists in having a healthy relationship, which is full of lust and surrounded by questionable students, will Shou-chan manage to keep his sanity?

Madoka is a high-school student who loves cute guys.
Shikura, who works part-time at her family’s restaurant, is an incredibly handsome young man, but also has an incredibly unpleasant attitude…?!
[Blueberry Scans]

In the era of space exploration. Mankind is at war against monsters of unknown origin. The battle is grim, and the future looks bleak. Amidst the chaos, mankind plays their last hand; it's time for the Knights to step into the fray and turn the tide of this war.

I’d been stanning the hero for 3 years when I was suddenly caught red-handed by his tyrannical doting father, Duke Hades Louvremont.

“Ceaseless pursuit, expensive gifts, and now you’ve come alone all this way up north with no regard for your life…”
“I’m sorry. I have no excuse.”
“Alright, I’ve lost. Your devotion is undeniable.”
“...You think so too? Even I admit that this is the pinnacle of devotion.”
“Many women have pursued me, but none as persistently as you. I stand amazed. Let’s hold it, then. Our wedding. As soon as possible."
“Ha... Yes, I’ll accept my fate.”

Silence.

“Wait, pardon?! What?”

What did he just say?
Surely I must've misheard?
But the duke, smirking at my shocked face, gave the finishing blow.
“I said, I’ll marry you.”

Wow.
The hero’s dad has an inflated ego.

Peter Grill is known throughout the land as the world's strongest fighter. He has a girlfriend who he's steadily trying to get closer with. Life is good for him.

Until he realizes that dozens of women, who want to bear strong children, are all vying for his seed.

The first of several manga of Japan's favorite western mascot, summarizing the first game.

Bungou Stray Dogs Gaiden: Ayatsuji Yukito VS. Kyougoku Natsuhiko tells the story of the "homicide detective" Ayatsuji Yukito and his assistant Mizuki Tsujimura as they try and solve a mysterious murder case at the request of the government. Their search eventually leads them to Yukito's old nemesis and public enemy Kyougoku Natsuhiko.

An unknowing Sudou Kaname is invited to try out a new mysterious mobile app game called "Darwin's Game", but later realizes that he's in for more than he's bargained for when he finds out that there's no way to "quit" the game.