From MangaHelpers:

Life does not always go as planned. Noriko fell in love, got engaged, and imagined a bright future. Instead, her fiance fell in love with her older sister, Eiko. Noriko refused to let go, and they ended up getting married despite this significant problem. Some years of marriage and two children later, Noriko became a single mother. She returned to her family home, with her daughters Eri and Madoka. Her life continued, alongside Eiko (who ended up never marrying or leaving home), and their now elderly mother. Years later, Eri and Madoka are entering the time of life where they have their own problems with love. This manga follows the lives of women in this house. [tethysdust]

The adventures that two aliens, who have been sent to Earth to scout for resources, get into in Tokyo.

Meet Yutaka Hanagasaki is 20-year-old gardener at the theme park Fuegaoka. Meet Merun-chan, the mascot of Fuegaoka, with lots of popularity. Hanagasaki just so happens to secretly like her, but can never work up the courage to even talk to her, always admiring her from afar like a flower. A sweet story of how Hanagasaki works up the courage and becomes closer to Merun!

A big junior is set on pampering her senior!? An uneven love comedy! ♪

Exotic. Smart. Lethal. Musashi #9 doesn't live the life of a normal teenager. Her's is full of intrigue, violence, and death.

Some people want to change the world. This sixteen year-old girl can. Deep ideological, religious, and social differences drive the world closer to destruction, and the innocent masses suffer while politicians huddle in safety.
One ultra-secret organization is committed to preserving world peace, and their top agent goes by the code name Musashi #9. This agent battles terrorists and extremists, while bringing hope to the people she saves. The world may be a dangerous place, but it's a whole lot safer with Musashi #9 in it.

A new miniseries by the author of Beastars.

Mako Higari is an ordinary woman who works in a food container factory. She has a reputation for sleeping with every man she works with. However, she harbors a dirty little secret…

From JShoujo Scans: Kikukawa Shiori wakes up from a motorcycle accident only to find out she's lost her memory! Try as she might, she can't remember anything about the yankee-looking boy who claims to be her boyfriend, her kind-hearted and good looking older brother, or her aloof and introverted younger sister. When she goes to school for the first time since her accident, she overhears people talking about her---and the things they say aren't flattering. From what she hears, she was a terrible person before the accident. Was she really as horrible as they're making her out to be? And will she ever get her memory back?

College students Saeko and Miwa end up drunkenly coming out to each other on a night out, and the two of them enter into a relationship to celebrate the concept of finally actually getting to have a girlfriend... so, what could possibly go wrong?

Two couples, both led astray by lust, get a novel idea and decide to swap partners.

It doesn’t go over well.

Michela is a 13-year-old student at the Clausura Academy of Magic and Sorcery, a school for magic-holders aspiring to become “Wizards”. Unfortunately, she lacks even the most basic control over her powers, with all her attempts at spell-casting inadvertently ending up in explosions.

One day, Michela sets off a particularly nasty explosion that stood to consume anything and everything around her.

Just when death seemed imminent—

A young man appears before Michela, deflecting the blast in the nick of time.

Introducing himself as Eusius, the young man tells of a foreboding tale: that he has come from the future to save her... and that she’s fated to die at the young age of 18......

From Kotonoha:
Based on the award-winning novel by Shinji Kajio, Memories of Emanon tells the story of a mysterious girl who holds a 3-billion-year old memory, dating back to the moment life first appeared on Earth.

The first half of the first volume is the colored Wandering Emanon chapters (published before as Emanon Episode: 1). The second half is Wandering Emanon '67 set before the Wandering Emanon chapters.

This is the story of two people going through hard times living on a back alley.

"Tears" connect people who have never met before. This is the story of an honour student and a delinquent who are connected through these tears.

Succubus Aroma-chan is so shy, will not really, but she can't confess to the person she likes!
"Then, what if I just invade Yuuma-kun's dream and seduce him...?"
Tonight, an ero-dream that cannot be seen by other people begin!

A young man finds an amnesiac guy who's dressed like a pilot, and a (rather confusing) sequence of events begins to unfold.

A 4-koma about human parents and their skeleton daughter.

From NOIR:
Yuri is a doll-like child, orphaned at a young age when her mother dies in a car accident. In her will, she requests that Yuri be placed under the guardianship of a close friend of hers, Kim Dowook. Taken in, Yuri begins a new life, different from her life before. Where will this take her, and what does she think of her guardian..?

From Chibi Manga:
I thought I didn't need something like or love. I'm small, and I have a height complex. I am Koeda Tsugumi (First year High). One day, Sena Masamune from the next class, saw my body by coincident...!? But, after finding out, I was always with him and he hid my secret that I'm actually a girl, and slowly my feelings grow....A useless girl in love, a pure slow love!

Alternate:
Short skinny girl living her life with no thoughts of love, until one day popular hot guy sees her exposed rib cage on accident. Self conscious she leaves the room dropping a hairpin the process. Hot guy picks it up, and returns it to her. This signals the start of something more?

From Lovesick Alley and Sunday Scans:

Tsubomi is in her second year of high school and has a crush on her homeroom teacher. She plans to give her teacher a birthday gift, but unfortunately his birthday falls on a weekend... After finding out that her classmate Fuma Yabuki is her teacher's cousin, she tried to get him to help her but despite being related to her homeroom teacher, who is nice and warm, Fuma is very standoffish and doesn't want to help her out. Will this be the start or the end of Tsubomi's love?

Follow the most feared assassin in the Italian mafia and see what he does on his days off.