From Momocha Scans:

Azuma is a skilled French chef working at a top-notch hotel. One day, he's requested to offer his culinary skills at a shop he frequents. Not only are the customers varied of age and profession, but some regular patrons have quite the demand too! Furthermore, a love story instead of a dessert order?!

By way of declining the strange request, Azuma inadvertently revealed that he's gay! In addition to that, the editor Kumoi is also having a long-distance lover's tiff here!

Inugami Tsubaki is the perfect girl and has her future perfectly planned: she's beautiful, smart, skilled in sports and loved by everyone. As the future head of the most powerful financial clan of Japan, it seems nothing can stop her. However, in her first day of high school, she meets Sarutobi Sanosuke, a wicked guy who outsmarts her and quickly becomes her enemy - what's going to happen between them?

A heart-warming, heart-cooking, heart-eating, heart-digesting guide to love.

Dani and Dorian have missed the bus of the school of magic. Now, they must find someone who teach them how to be a great and good witches... Or maybe not.​

Historie takes place in ancient Greece and follows the life of Eumenes and his childhood, who would later in his life grow up to be the secretary and general to Alexander the Great.

Note: Won the 16th Tezuka Osamu Cultural Prize's Grand Prize in 2012. Won the 14th Japan Media Arts Festival Grand Prize for Manga.

From MangaHelpers:
High-schooler Matsuzaka Satou has a reputation for being easy, but one day her lifestyle of sleeping with one boy after another comes to an end. It happens when she meets the child Shio, for whom she is convinced she feels true love for the first time. Satou may seem sweet and innocent, but there is nothing she won't do to protect their life together, including committing murder. But from where did she acquire the little girl, and how long can their "Happy Sugar Life" together last?

Included one-shot:
Volume 2: White Sugar Garden, Black Salt Cage (pilot)

Short story:
A short story was released in Young Gangan 23/24 of 2016 which is referred to below as 19.5. It was later released in Volume 6 as an extra.

An excellent and very educational series. About a newlywed couple who are virgins and their comedic ups and downs in learning how to have sex. Not really a hentai, though there are scenes which can be called hentai. Tastfully rendered taboo themes. A funny "how to" guide for sex illiterate and experts.

The summer vacation...with a teacher in a vacant classroom. It is a sweet painful love affair that a girl often (o rly?) experiences. This is the sixth issue of the best-selling Cheese selection. Nine other stories are included besides the title story written by Sugi Emiko.

From The Zero Alliance:

Louis and his maid, Linette, used to be very close. But as Loui grows up, they become distant from each other. Linette fears that her master doesn’t need her anymore. But is that really the case?

From asdf scans:
In near future, mankind has been defeated by the viral parasites named "Gastrea." They have been exiled into a small territory and live in despair, side by side with terror. In this world trapped in darkness Rentaro, a boy living near Tokyo and a member of the "Civil Security"—an organization specializing in fighting against the Gastrea—is used to accomplishing dangerous tasks. His partner is Enju, a precocious young girl. They fight using their peculiar powers until one day, they receive a special assignment from the government. This top secret mission is to prevent the destruction of Tokyo. Set in a near future, this thrilling heroic-action story starts now.

A short (two-three pages bimonthly) gag manga about two best friends, one of whom (Ayame) is in love with the other (Amane). Each chapter follows the hijinks of Ayame's advances towards Amane, which usually end up in comedic failure.

A Genius who Fell into darkness. The God of the Underworld.
Akagi runs from a game of chicken where he almost died, to a Mahjong parlour where a man loses all his money to the yakuza. Akagi, who is only thirteen, tells the loser that his game needs improvement (although Akagi himself has never played before). Akagi replaces him in the game, and so a legend is born.
When the police come to check on the place to see if the kid that ran from the game of chicken is there the yakuza deny that Akagi was involved. In the end the policeman invites Akagi to a much more organized Mahjong game and from there, the legend of the Genius who Fell into Darkness continues to grow.

Wouldn't you just love to poke in a relationship between two young high schoolers who have a subtle distance between each other? Of course you would. Tsumiki and Io have this subtle distance that anyone would want to jump in between just to bug them. That's what the other characters are there for. Tsumiki, being a tsundere and all, won't be honest about her feelings toward Io. Io on the other hand is unaware of Tsumiki's feelings, hence the subtle distance between the two. Now, let's watch these two and see what events await them...

Nanami Rei has always lived his life in his brother's shadow. He can't talk to girls, he's not athletic, and his grades aren't good. On the contrary, his brother Ren is smart and popular, but he has never judged Rei for his faults or lifestyle. One day, Ren goes into shock and mentions to Rei the name, "Wonder Rabbit Girl". Rei, seeking to find this mysterious figure, attends Ren's school, disguised as Ren himself.
Rei comes into possession of his brother's USB drive, which contains a list of the school's girls and their fetishes. Rei believes that one of these girls must be the Wonder Rabbit Girl.

As a child, Thorfinn sat at the feet of the great Leif Ericson and thrilled to wild tales of a land far to the west. But his youthful fantasies were shattered by a mercenary raid. Raised by the Vikings who murdered his family, Thorfinn became a terrifying warrior, forever seeking to kill the band's leader, Askeladd, and avenge his father. Sustaining Thorfinn through his ordeal are his pride in his family and his dreams of a fertile westward land, a land without war or slavery... the land Leif called Vinland.

Note: Was nominated for the 2008 Manga Taisho award. Won the Grand Prize in the manga division of the Japan Media Arts awards in 2009. Won the 36th Kodansha Manga Award for Best General Manga in 2012.

When humanity was threatened 5 years ago, the boy who saved the world was driven to despair and became regarded as the enemy of all of mankind. And now a new crisis approaches humanity. The curtain rises on a gallant drama about a hero falsely charged.

Many different anthropomorphic predator and prey species are intermingling in a fantastical African savanna society! It is a strictly structured society with many rules, such as those governing when and where a predator is allowed to hunt their prey.

One lion, Leon, does not quite fit into the role nature has chosen for him. He doesn't grow his mane out, and, despite his physical strength, he shows no real interest in establishing territory and acquiring a harem of lionesses. But the most abnormal quirk of all is that Leon is a vegetarian lion!

His tiger companion (who has a bit of a crush on him), is firmly of the opinion that herbivores exist to be eaten, but she manages to mostly put up with his vegetarianism. One day, the two of them rescue a frightened gazelle, freshly arrived from the capital. The tiger is less than thrilled to have a pretty female food-animal hanging around with them, but the jackals who are tracking the gazelle seem to have some kind of business with Leon as well...

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A reclusive, disfigured man stalks a pretty, good-natured housewife. One day, he witnesses this woman's daughter being kidnapped.