From Tokyopop:

Confidential Confessions is a shocking new manga series that deals with many of the hard-hitting issues that teens face today. Using emotionally moving storylines and multi-dimensional characters, each groundbreaking volume tackles such topics as teen prostitution, rape, HIV, stalkers, suicide, and sexual harassment.

V.1 - Tobira (MOMOCHI Reiko)
1-3. The Door
4. Mistakes

V. 2 - Namida (MOMOCHI Reiko)
Tears

V.3 - Memai (MOMOCHI Reiko)
1. Our Future
2-3. Dizziness

V.4 - Itami
1. Pain
2. Distortion
3. Tomorrow
4. Forbidden Kiss

V.5 - Himitsu (MOMOCHI Reiko)


V. 6 - Uwasa

Series order as published by Konansha:
1: Itami (いたみ) (Pain)
2: Himitsu (ひみつ) (Secret)
3: Memai (めまい) (Vertigo)
4: Uwasa (うわさ) (Rumor)
5: Namida (なみだ) (Tears)
6: Tobira (とびら) (Door)

When Katou used the persuasion of tears, the senpai he had always admired agreed to go out with him. Katou swore that he wouldn't lay a hand on Serizawa until he liked him back, so he kept their relationship platonic. Serizawa suddenly comes to stay over at his house, inviting him for a kiss, and testing Katou's control. Seeing Serizawa showing such an erotic expression, Katou just can't hold back anymore!!!

"You're gonna regret it if you stay with me". Oshima heard the rumors that his boyfriend, Hiyama, is quitting baseball. Upon hearing the upsetting news, and after being told that he's a nuisance to the baseball team and his boyfriend’s career, he tries to convince Hiyama to stay on the team. What will happen to their clumsy love story after they graduate high school?!

After a bike accident lands her in the hospital for a month, it seems that Miki's high school debut has ended before it could even begin. With no other clubs to turn to, Miki and her best friend Haruka are invited to Risa's club room. However, they didn't anticipate the 2CV...

12 girls are imprisoned in a mysterious prison.

Fighting their way through this unjust and abnormal conditiions, these girls have begun a life and death struggle.

A harrowing little girl prison escape survival!!

I, the main character, have the ability to weakly sense the paranormal.

One day, my childhood friend, Konno Kowata, who was supposed to have died in an accident, appears before me with her panties exposed...!?

A precious ghost romantic comedy that'll get you blushing!

Once the spirit sword roars, within heaven, earth and the three worlds, I shall reign as the sovereign! Those who do not submit shall die!

Ichimatsu Kairo's ex-girlfriend, Kusakabe Hiyori, who disappeared 7 years ago appears before him again one day. As someone who was converted into a devout follower of the Hiyori religion, he became unable to live in reality when she left. Reunited, she divulges to him her unreasonable demand, "Ichimatsu-kun, I want my childbirth recorded so give me your sperm."

"This is a story of a country far, far away. What distinguished the citizens of this country apart from others was the animal ears on their heads and also, their acceptance of same-sex marriage."

Kasuga Chiru is the only daughter of a powerful and wealthy family. At seven years old she was engaged to Shinonome Senri, a girl from a family of much lower status. But besides that day, the two never met again. Now sixteen, Chiru prepares to marry her betrothed, yet she wonders if the kind Senri has changed over the years they've been apart, and whether they can become a happy family even though their union is arranged. Upon visiting Senri's town, Chiru is overwhelmed by all the love and fondness the townspeople have for their apothecary, Senri. Chiru begins to feel a stirring in her heart, that same wonderful feeling the night Senri rescued her, the night they met. A tender love story of arranged marriages and fox girls begins!

Kijima-san, who can hear people's inner voices, and
Yamada-san, whose inner voice is very loud.

Kijima-san happened to hear Yamada-san's inner voice gushing about her love everyday at work. As time passed, he was charmed by her bright and warm personality.

He can hear her heart, but he can't proceed.
However, he can't hold back his feelings!

A blossoming romance can be heard!!!

Those who manipulate the power of “beastification” that transforms into a beast, they are called “beast people”. A high school girl, Mashiro, who was involved in a certain bizarre incident, to know the existence of the mysterious power that dwells in herself. Furthermore, a mysterious man named Fang appears before her...! ?

- Google translated from Amazon, sorry about that

Sommelière tells the story of Kana, a poor orphan who works in a wine farm that is supported by a mysterious, charitable man whom she never met, known only as "Mr. John Smith". One day, a messenger suddenly arrives with a proposal from Mr. Smith: Either work in a restaurant in Tokyo, or the farm's funding will stop. Why is the charitable Mr.Smith suddenly threatening to stop supporting the farm? Will Kana accept the proposal? And what does fate have in store for her in Tokyo?

Semi-grand prize winning work! A man encounters a heroine who is a skeleton! Is love really about appearances or not... A new type of romantic comedy that asks all of mankind!

Succubus, Dullahan and Vampire. They are known as Ajin, or "demi" and are slightly different than the average human. They have lived alongside humans for ages under persecution. However, in recent years, they have become accepted as members of society. This manga follows a high school biology teacher who has a great interest in demi and his interaction with the various demi in his school, each with their own cute problems.

Note: Won the DaVinchi x NicoNico Tsugi 2016 Manga Awards by taking 2nd place.

At some point in time, somewhere, there is a place called “Kawazuya”.
Won't you come enjoy the beauty of the everyday life of the shop owner, a frog with a smiling face and large body, and Yuu, a high school girl and part-timer?

Sometimes it is not necessarily a pie that falls from the sky, it may also be a "dream". The protagonist, who was reaching the lowest point of his life, fortuitously receives an Artificial Intelligence robot that claims to assist people in realising their dreams. Can the protagonist change his fate successfully?

Japanese high school Rocker Grrl goes back in time and has adventures in Old Tokyo.

Sky Vincent was born in a world where people are judged on magic rather than the quality of their character. So it was inevitable that when his first magic testing came in and he had the weakest magic power available, he was immediately disgraced by his family.

Walking in the forest, he met a wandering mage who informed him of the secret of his power - while his magic is minuscule, as it is the <<Null>> element, it can negate other types of magic. However, while his magic isn’t suitable for a few slow massive attacks, it is perfect for a hundred quick little ones.

Can Sky train up his magic so he can go from a laughingstock to the most powerful wizard in the world with a harem at his knees? (Note: he totally will because look at the cover he has fricking guns, just act surprised when it actually happens)

In a romantic comedy, two roles are ever-present: the lucky pervert boy and the violent tsundere girl.
What if those roles were switched around?