Super Dragon Ball Heroes: Dark Demon Realm Mission! is a spin-off manga.
It tells the story of the conflict between the Time Patrol and the Dark Empire.

Wei QiuYu, who just entered his 30s, has fine features and a successful career, but he is still singe? You may have already guessed the reason...

In a forced blind date, the brother who attended in his sister's place turns out to also bat for the same team? This marks the beginning of an ill-fated attraction! The cheerful puppy wolf pursues the difficult general manager. Faced with the pressure of marriage from his parents, will QiuYu be able to drop his facade and come together with his mutual love?

The story of a detective attempting to solve a mystery and a man who doesn’t know himself.

From MangaHelpers:

After the death of his parents in an accident, Yutaka was taken in and has been living peacefully at the Mita Shrine. One day, a pair of really hot miko appear, causing many nosebleeds for Yutaka. When he is drawn into their fight with a dangerous evil spirit, he uncovers the fact that he also has some kind of mysterious power inside himself as well. Now it looks like he's going to become involved with their dangerous fight against evil spirits! [tethysdust]

Lupin the Third and his motley crew return in Shin Lupin III! This time, several of the stories are either brand-new or adapted from or to the Lupin Part 2 anime, and the beginning story was even animated by itself several years later! Lupin the Third is the grandson of the famous literary thief Arsène Lupin, and his partners in crime include the sharpshooter Jigen Daisuke, the stoic samurai Goemon Ishikawa the Thirteenth, and the on-again-off-again lover/rival Fujiko Mine. Their object is to steal the most valuable and important items while evading the guard of Inspector Koichi Zenigata, the ever-vigilant ICPO chief whose life goal is to capture Lupin, but when it’s fulfilled, he’s lost his purpose! What kids of exciting adventures will they get themselves into in...Shin Lupin III!

A small collection of yuri manga by Shimizu Hikarino

Sae and Riko have been best friends since childhood. But as they grow up, Sae notices more and more the differences between them, and starts to have doubt about whether their friendship is going to last...

A seinen take on Saito's classic Survival. It tells about the drama of those who survived the fall of a meteorite on the Pacific Ocean after a failed attempt of destroying it with a missile. Cities are destroyed by big earthquakes, food runs short, illness spread quickly. In the midst of this scenario, Ootomo, the main character of this series, will do whatever in order to survive.

[Italiano]
Una giovane "cagnolina"? Di nome Yuki Raccolta dalla strada ed il suo nuovo padrone, Kosuke. Lei terrorizata dal rimanere sola e lui che non riesce a non fare a meno di viziarla...

[English]
a young "dog"?, named Yuki, Gathered from the street and her new owner, Kosuke. She terrified of being alone and he who can not help but spoil her...

A man finds himself in a situation where he unwillingly learns to care for and teach Nivawa, a child of an intelligent aquatic species named Afrika, the ways of human culture.

"I like you, you like him, and he likes someone else." Everybody has an unrequited love.

Tenkawa Toichi is a normal, ordinary high school boy, except he has a secret identity - he is a member of the evil Phantom Organization, going by the alias Wolken. They are planning to conquer the Earth, but is being met with opposition from the so-called Angel of Judgement, Mighty Heart (Who, coincidentally, is a classmate of Toichi, Maishima Kokoro). Surprisingly, Mighty Heart is so weak that even Wolken's underlings can beat her easily, but they only figure out her ultimate weapon after Wolken accidentally comes into contact with her body...

This is a world where humans and vampire has found something to co-exist: Artificial blood. Still, you can't really helped that people would be scared of vampires bec. of their dangerous nature. Meanwhile, a man (uke) who is tired of loneliness (death of lover) decided to adopt a vampire child. OFC, he had needs so he calls in for sex service every night. What he didn't know is that the kid sees it and because the kid drinks his blood, he is growing up too fast. Will MC (uke) be able to see this vampire as a grown man when he was just an adorable little child yesterday?

Freelance designer Junichi and businessman Harumi are lovers and live together. But in their everyday life, they fight over the smallest things. Sex has smoothed out a lot of those fights but it has its limits! So the two break up, but... In addition to the "First meeting" extra story, there are short stories with the theme "Tutor" and "Policeman"!

English version via Renta!

A collection of SNS published pictures, each showing a girl with a particular theme.

The release does not have chapters, but I've broken them up in a set of 10.

A girl with a gas mask attempting to fight back against the strange world

Ikuo Ryuuzaki and Danno Tatsuya are 2 orphaned boys who were looked after by a person they called 'sensei'. Following their sensei's brutal murder, the two vow to hunt down the killers and the police officers who neglected to properly investigate the case.

15 years later, Ryuuzaki is a police detective and Tatsuya has become the leader of a group of mobsters. Helping each other out behind the scenes, they strive to rise to the tops of their respective fields so that they may exact their vengeance.

From Aerandria Scans:

The beautiful singer Lucille and his orchestra invite you to the city of fear where puppets hunt down humans. The puppets are playing an oratorio of magic and illusions!

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This manga also features the unrelated short story Camelot Garden in vol. 5.

Contains the original oneshot Umwelt
A genetically engineered girl escapes from her home and the doctor that created her must pursue her with the help of military personnel.

Kogane Kokoro wanted to reach out to someone in need in the train but was unable to do so. Then a mysterious old man appeared and took down those goons with his swift movements. Impressed by the heroic appearance, Kokoro decided to become stronger. He became the disciple of the old man and started learning fencing.