From MangaHelpers:
Haruki is a teenage boy who has two friends that are not very ordinary. Ayana has been transformed to be part dog, as shown by her dog ears and tail. Ayana also has enormous lactating breasts. Airi, on the other hand, is a cyborg girl, and she's got tons of mechanical gadgets. The story begins when Ayana and Airi both want Haruki to join their club, and Haruki must pick one over the other. Ayana's science club has more to do with transforming living things, whereas Airi's has to do with more mechanical science. Their attempts to persuade Haruki to their side tend to be full of nudity and sexual arousal. Haruki is going to have a bizarre school life.

Fujimaki barely scrapes by in school grade-wise. But he thinks all is well, because he just has to quit school and become a top-selling mangaka. It is that easy!
One day he catches his hyper-intelligent classmate Yukimori masturbating to ero-manga in an abandoned room in school. One thing leads to another and he gets blackmailed into drawing ero-manga for her.

The story of two girls with a shared love of books falling in love at the library.

A present day, girl's secret story, effective in life.

After being accepted by the Melite Conservatory of Music, Taki Ren, travels all the way to the City of Music, Vienna, to fulfill her dream of becoming a composer. However, there's one problem: Melite is an all-boy's school! Her classmates are all musical geniuses, but they also come with problems!

Okino is living a difficult life being an Omega and the eldest among the 8 siblings. So he works hard in his studies while juggling multiple jobs. All he wants is to destroy the wall (the law of nature) that is imposed on him but a first year Alpha keeps on following him around.

The events of the main story seen through the views of Eriri Sawamura and Kasumigaoka Utaha.

The 4-koma comedy is back, and this time around Gorou's crush on his sadistic, older stepsister Haru has reached the stage where openly sexual innuendos have become part of their everyday life.
The pair's "peaceful" days would have continued if only it weren't for Haru's cousin Aoi-chan and her younger sister-like existence.

Five students' lives change as they learn to lower their walls and just be themselves. It all happens in our manga club.

Konoike Eishin, known as the Prince by his classmates, gets wrapped into the affairs of the mysterious and intimidating Senagawa Itsuki. After that, he just can't stop thinking about "Senagawa-kun".

On the distant island where Yotsuwa Private Girl's Acadamy is located, the Near-Extinct Car Academic Faculty takes old barn finds and restores them and their owner's memories. Following her dream of driving her late grandfather's Subaru Sambar, Rico Momose and her freshman friends join the Rare Car Class to bring back to life these old, forgotten vehicles and their legacies. Follow Rico and her friends' journey as they make plenty of car-related memories.

Mamori and Yume are two high school girls with very good relations that are just going through their daily lives, yet an unspeakable bond keeps growing between them, and, as they deal with anything they come across, something more akin to love might start to appear as they grow more and more closer together...

From PopulationGO

Sorato Kenzaki is an ordinary boy whom attracts not so ordinary women. He constantly gets confesses to by weird, and often dangerous, girls. So when a rich ojou-sama asks him to become a hero he plays along and agrees. But lo and behold he actually gets transformed into a superhero!

In a world after death, angels fight for their fate and their future. Yuri, the leader of the Shinda Sekai Sensen, rebels against the god who destined her to have an unreasonable life. On the other hand, Tenshi, the chairperson of the student council for the world after death, battles against the SSS members. SSS members utilize armed weaponry to battle it out against the angels harnessing supernatural powers.

Shirasaki is incredibly bored by his unchanging daily school life and he ends up falling for his weird classmate Kamimura Yuuka, who rants about changing the world to his uninterested classmates. However, when she reveals the truth about the nature of their world to him, everything will quickly become stranger than he would ever have expected!

Akabane Yuuhi, a 15-year-old girl who aspires to become an actress. Well, her dream might soon come true. She has been accepted into 'Diamond Actors Academy', a very prestigious school which trains young boys and girls to become actors. Many famous actors and actresses graduated from this school. So, of course, Yuuhi is excited. But, things start to get a bit weird. Just what is up with their teacher, Otome Kasumi? The acting is getting a tad too realistic to be considered acting. Things are getting really creepy. Is the school really what it seems? Or is there more to this school than meets the eye?

A one shot about a boy that have trouble making friends.

For average girls, high school is a time of insecurity, of finding yourself and railing against your imperfections. In one particular high school, five average, unpopular girls take life one day at a time, learning as they go, and stumbling as they try to find their footing.

From Chinatown KM:
Nanase Takeshi is a normal high-school student with a slightly traumatic past. You could say he's hard-working but in reality, he really cares about what others think about him. For some reason, he is going out with his childhood friend, Isoshima Kurumi, but otherwise, he's a pretty normal guy. One day, however, he sees a girl wearing a uniform he had never seen before, who had collapsed on his school grounds. She is Aiba Mui and her appearance marks the beginning to a series of weird incidents. She once said, "to be honest, I'm a magic user and sorry. I turned you into one too."

Shiori Michishige has always dreamed about meeting her "fated lover." During the spring break preceding her first year of high school, Shiori starts dating Itsuki Karusawa. Although she thought she had finally met her destined soulmate, Itsuki cheats on Shiori and the two break up. Shiori then makes her high school debut with every intention of finally finding her true destined lover and take revenge on her cheating ex-boyfriend... but Itsuki happens to be in the same class!?