The protagonist, Kotaro lives together with his 3 sexy step-sisters

From MangaHelpers:
Growing up, Wataru and his younger brother have both done gymnastics, much like their parents. At first, Wataru, being the older brother, could out-perform his younger sibling in the sport, but everyone quickly came to notice the large gap in talent between the two brothers. Now, his younger brother has been nominated to represent Japan in the Olympics, while Wataru lives his day-to-day life not knowing what to strive for. Wataru began attending a kick boxing gym, initially to just relieve stress. With the help of his gym mates and rivals, he begins to understand that hard work can surpass talent in the realm of kick boxing.

From MangaHelpers:
Mai has been helping out her childhood friend, Kunimitsu, every morning with soccer practice ever since they were little. After years of practice, Kunimitsu has been MVP 2 years in a row at the middle school nationals. One day, Reika - one of Kunimitsu's admirers - witnesses the two childhood friends practicing, and is shocked by Mai's ability to keep up. Determined to prove herself to Kunimitsu, Reika challenges Mai to a soccer challenge. Caught between her childhood crush and new competition, will Mai be able to hold her composure? With a tendency to get too nervous or fantasize about Kunimitsu, Mai has a hard time playing soccer outside of practice. Can she stop her lewd fantasies long enough to beat Reika?

An omnibus collection of short stories.

From Girls' Generation Scanlations:

Katsuragi Shiho casually handed her house key to Shikibu before leaving her hometown. After not returning on the third day as she had promised, Shikibu probes around and finds a lead that brings him to "Yasha Island".

However, the strange rituals being held on the island, Shikibu's investigation records getting stolen, and finding Katsuragi's name in the house of blood among other mysterious occurences all point to Katsuragi having vanished into thin air! Shikibu is bent on finding out the truth, but the islanders all seem to have been silenced by somebody...?!

Have you ever experienced a dark but pure love story?
The love was a mistake, the feeling did not suppose to happen. All were wrong. Including yourself.
Aine Misabashi, a cheerful second high school grader, has a massive crush towards her popular childhood friend, Riku Shirota. She also has a beautiful best friend, whom she calls as "Princess" that always listen to her insecurity.

Everything seems like an ordinary innocent youth drama until Aine saw Riku kissing another girl even though he always said that Aine is the only one he has. Moreover, the girl that he kissed is...
Is there any purity in this tangled friendship and romantic relationship? What will Aine do when another important person to her also has a feeling towards her...

"Lost Youth" is a magnificent debut work by Akeru Asahi about the bold and delicate girl's romance in high school that would leave you shocking!

From MangaHelpers:
After an airplane crash during a school trip, Oribe Mutsumi and her classmates were stranded on a seemingly deserted island. Mutsumi found the other survivors, and used her wilderness knowledge to help them. She expects that they will be rescued in about three days, which doesn't seem so long to endure. However, she didn't account for the fact that the island is populated with gigantic killer insects. Her knowledge of butterflies, wasps, and more may be the only thing that will help any of her classmates survive to be rescued.

The manga centers on Shin Kiba, a middle school student who accepts his destiny as a human weapon in order to fight evil and protect Japan.

A collection of one-shot tributes to Akagi compiled for Akagi's 20th Anniversary. 36 Different Manga artists come together to pay tribute to a very long-running manga series!

Minayoshi Yuu is trying to help his mother Minayoshi Touko, who was once a national idol, recover from a strange "ailment." For her, he will do anything, even if it means finding a way to go back in time to erase the pain from her mother's past and bring her back to normal in the present.

Scenery that we have never seen. Sounds that we have never heard. Scent that we have never smelled. Food that we have never tasted. And the surge of emotion that we have never experienced. This is the expedition of recollecting the pieces torn apart and sensation left alone. When we reach that place, what will we think? Howling, 40 degree angle. Raging, 50 degree angle. Shouting, 60 degree angle. A wilderness beyond the heavy sea. The furthest south, far from civilization. At the top of the Earth. We will find lights through the girls' eyes to live tomorrow.

Jigokumeguri Haru is the heiress of one of the largest business empires in all of Japan. She is not only rich, but also practically a celebrity. However, partly because of her heritage and partly because of her arrogant and aloof behavior, she has always been isolated from her peers and has never been able to make friends. Thus she has – without success so far – transferred from school to school to finally find a place where she would be accepted.

This only begins to change when she meets her new classmate Kawayanagi Tsurezure, an outcast weirdo that dresses in 20th century fashion, talks little and smiles even less. Both being somewhat socially awkward, they thus begin an unexpected friendship.

A girl and a cat slipped out of the house on an adventure guided by the moonlight,
to a mysterious world that comes to life in the night.

"Ajumma if you want to keep working, it will be in your best interest to listen to what I say." The surprise return of the parents along with a foreign housekeeper mother and daughter pair. The thrilling cohabitation with these ladies begins.

Daily life of an office lady filled with her endless love for food.

All Miki wanted to do was sit down...

It's July 2016, and the Tadamura family gathers in the Hirasaka village for the funeral of the grandmother and head of the family: the young man Yukito, his step-sister Yue, his father Masashi, his uncles Nobuteru and Tsunemasa, and his cousins Terumi and Teruya, all come to pay their last respects.

But on that evening, Yue witnesses an incomprehensible scene: the grandmother's dead body starts to move and disappears into the night! The morning after, the family wakes up in a strange world, seemingly cut off from reality, where two suns shine…

Kippei Yuuki is the #1 ranked player in the MMORPG "The Room", and he has the ego to prove it. Real life is boring, and he'd rather be the protagonist of a video game. But soon, Kippei's skills are put on the line when he, and a group of others, awaken in a prison cell. There are monsters nearby, and the environment seems eerily similar to The Room. How did they get here, and who will survive?

A short story about a girl making a deal with a demon.