From Starry Sky Scans:

Due to their student-teacher relationship, high school student Wakino’s confession was rejected by Yukari-sensei. Wakino promises he will confess again after graduating. However, being full bloom in puberty, every day Wakino finds their platonic relationship harder to endure. One day, Wakino mindlessly zeroes in on Yukari-sensei. Will this lead to utter rejection…?

One shot:
"Ame Otoko" - "The Rain man"
"It's Tuesday and raining. So that means he's going to be there for sure.......since he's the rain man"
Every Tuesday it rains and every Tuesday, Koizumi-san stops to listen to a young guitarist on the way home. He can't help but feel attracted towards him. A song that makes you feel alive....a man who yearns for true love.....
A really sweet 50 page oneshot that leaves you with a warm feeling within.

From Yaoi Is Life:

Featuring events such as Genma being immature and making Ryuusei drink more than he can handle, Himi begging Genma until his anger subdues, Asari teasing Shoui, and Waki trepassing into Raizou’s bedroom. This volume contains spin-offs of the -ZE- series. Most of these were created for autograph events and freebies during purchases. There's also a 26-page compilation of never before seen new material! No matter where you open it, this is a -ZE- full of love scenes! ♡

Short yuri manga, set in a near-futuristic mecha pilot training school.

From L.O.V.E.:

Through the activity of “Elfenbein” – an anti-government organization that Fon, Jacques and their other classmates established – Fon, now a 3rd year student in Ilegenes Military Academy, became a threat for those important people in the government with connections to the black market. Meanwhile, two female military cadets entered the academy – something unusual in the all-male environment of the academy. One of them, Gabrielle, is surrounded by mysterious movements of unrest… The long-awaited new series of Ilegenes finally begins!!

A collection of unique, fantastical short stories featuring quirky, mysterious characters.

From Sura's Place:

Boring days, boring life. She wants her life to spice up with a mystery or two.
She gets her wish.

Kotori-chan and Hi-chan promised to marry each other when they grow up. But 10 years forward, the only one who’s actually “grown” is Kotori-chan, while Hi-chan still looks like a grade schooler. Hilarity ensues.

And epic sci-fi story heavily influenced by the Epic of Gilgamesh, as several groups fight for a mysterious power. While a close brother and sister get tied up into the battle unwillingly.

From Viz:
When goofy inventor Senbei Norimaki creates a precocious robot named Arale, his masterpiece turns out to be more than he bargained for!

This series helped launch Toriyama's career and was awarded the Shogakukan Manga Award for shounen and shoujo manga in 1982.

From Alyschu:
In the primitive world, all the youths were hot-blooded. The Faith of Totem is the direction for one to chase their dreams! Wits and Courage are our instincts for survival. The life in the Warrior Tower was tough but joyous. Shortly in the future, even if everything had already turned to smoke and mist, our friendship will never disappear.

Mihama Academy - on the surface, a closed learning environment established to nurture students who find themselves at odds with the world around them; in actuality, an orchard-cum-prison built to preserve fruit that has fallen too far from its tree.

Whatever the circumstances behind its establishment, Mihama Academy is at present home to five female students, all with their own reasons for "enrollment." For better or worse, each girl has established a routine obliging of her current situation; life moves at an idle, yet accommodating pace within the walls of Mihama.

Yet with the arrival of the institute's first male student, the nearly preposterously opaque Kazami Yuuji, the students at Mihama begin to fall out of step with their predetermined rhythms. Will Yuuji prove to be the element the girls around him needed to take hold of their lives once more, or will the weight of their pasts prove too steep a wall to overcome?

Year 20xx. In a high-tech future, where people are divided into categories according to their birthstone, there are two important things: Box, the immense virtual reality that manages the data of the world population, and Logiste, a fierce dance competition, sometimes even dangerous, whose champions are considered real stars. To Kokoro Koyomi, however, all this is precluded because of her strict father, who forbids her to even talk about it. One day, she secretly gains access to Box, but remains stuck in the virtual reality because of a bug.

A young girl answers the door late at night and looks up to see a very, very tall man standing before her.

From: Easy Going Scans

Mercenary Maruhan, the man who roams the darkness in the time of humanity's doom.

In the ancient era of the super-continent, where no border exists between the East and the West -- the race of Demonic Beasts begins an invasion against the human race, breaking the mutual non-aggression pact!

And as humanity takes to the road to seek refuge, some gather to form the ultimate army for an attempt to kill King Rhode, the Chief of the Demonic Beasts.

The intense story of one certain mercenary starts there.

Come meet these happy friends in the jungle! These are the animals from the mysterious “Jingle Jungle” village. Get ready to smile as you read the story of the everyday life of these somewhat clumsy but lovable creatures.

Chapters 1-2: Cocytus- A girl who cares very much about fitting in, and the girl she falls in love with, who wants to be honest about everything -- including their relationship. How will this work out...?

Chapters 3-5: Moratorium
Itsuki and Mao are aware of each other's feelings. However, both of them are waiting for the other to confess.

Your not so standard boy-meets-girl story. A young engineer builds a new wing for a wounded angel.

This is a story of the simple life of the three bears: the panda bear, the black bear, and the polar bear. Original Webtoon / English Version by Naver

Asakura Kosame is rejected by the girl he likes. He bought a guitar and created a song solely for the confession on his graduation day in Junior High. Unfortunately, the girl likes another cool boy from another school, whom happens to be a member of a band.
Later, Kosame enters Meirou High. He decides to join a music club and become great to show it to the girl whom rejected him for revenge. But, it turns out there is NO music club at Meiro. The one who sees him at that time is...

In the Pretty Babies series:

Part 1 - Pretty Babies (1 Volume - Complete)
Rookie detective Chikara has been assigned to the close minded, hard-faced senior detective Ibuki, One day, Chikara, who had tailed Ibuki in order to uncover his secrets, witnesses Ibuki carrying a suspicious heavy bundle out from a church. Then, after almost being run down by a car, Chikara is asked to spend the night with the beauty who'd been driving in lieu of compensation...?!

Part 2 - Heavy x Beauty (3 Volumes - Ongoing)
In the middle of the night, Ibuki suddenly calls on his superior Kiriya. Both work at the Metropolitan Police Department and have been dating each other for the last three years. One day, Kiriya's uncle proposes to headhunt Ibuki, and talks of Kiriya's own arranged marriage introduction.

"Hmm, I guess it's high time." Kiriya sighs upon receiving a phone call from former bad company...