Kasagi-chan is an member of an alien race of females called the Arume. She spends her time playing matchmaker for unsuspecting cute Earthling girls.

The Arume, a dominating alien race of female humanoids (alien lesbians) has conquered Earth. With total control over the world they have begun live experiments on humans.
One day, out of the blue, a girl that Shouta Yanami has never seen before in his life arrived at his house asking to have sex with him. How will this end for Shouta Yanami?

From Liquid Passion

Another take on the little mermai...merman?

The story of how the 502nd Joint Fighter Wing (The "Brave Witches") formed, prior to the events of the Brave Witches anime.

From Taciturnity Scans:

Second-year middle school student Ayumu Kurihara changes classes and is seated next to the beautiful but strange Misuzu Tsukishima who dislikes boys. Misuzu can't get close to other people, but after being moved by Ayumu's sweet, honest personality she begins to open up to her little by little. Ayumu too is captivated by the awkwardly delicate Misuzu and the two of them become close.

V.3 (a.k.a. Second Season)
It's Shimizu Kanako's first day at an all-girls high school, and she's a little overwhelmed. Hoping to make new friends, she bumps into the odd and distant Kamei Ao, as well as her first three new friends: Aki, Rikako and Haruna. Of course, not all can be so sweet in the world of girls.

In the year 2031 A.D., Earth has become ravaged by the attack of insect-like aliens called the “Blue”. In an effort to escape their destruction, humanity abandons the planet and now resides in an orbiting space station called “Second Earth”.

After being diagnosed with an unknown disease, Kaido Yuji was put to cryogenic sleep on Earth until a cure was found. But he’s given the rudest awakening of his life when Armour Shrike pilot Marlene Angel comes to pick him up, and Yuji witnesses in horror as her unit is wiped out by the Blue. Now Yuji must survive against the harsh new rules of this apocalyptic world -- and find out the true nature of his strange disease.

A high school 3rd year student, Miyamoto Dai, whose heart was touched by Jazz, continued to play the Saxophone alone in Kawahara, rain or shine, day or night, for many years. "I want to become the world's best Saxophone player...!!" Effort, talent, faith, environment, luck...which are necessary? A tale of reaching towards his goal recklessly and sincerely begins in Hirosegawa, Sendai.

Note: Was nominated for the 8th and 9th Manga Taisho Award. Won the 62nd Shogakukan Manga Award for general manga. Won the 20th Japan Media Arts Festival's Grand Prize for Manga.

You may know the story of Princess of Nakrang, but behind the scenes of the ancient Nakrang Kingdom’s royal palace, unfolds the story of a different princess.The youngest princess of the Nakrang Kingdom, Seol is determined to pursue a different life from her sister Ran, who by unlucky fate, was persecuted by her father and brothers.The slave boy she rescued Miru, the odd-eyed Jamalta, and the one we know very well… The three men are in her fate.

Shoes of Fate - "Beautiful shoes bring happiness to the person who wears them."

“What the hell are you doing, me?”
Already half of his high school life is over and none of his hopes and dreams have been fulfilled yet…
This is how Yuuhi Nagi, who has no friends in his classes, has been living his uneventful empty life – until he got dragged into this unexpected crisis!
This is how the lives of the four people who are most likely to repeat a year, and the person who will help them succeed, are connected.
This is where this bittersweet coming of age story begins!!

The world’s largest luxury ship 'Blue Heaven' saves a wrecked ship out at sea. At the captain’s command, the ship is searched, and 2 male survivors are rescued. On the ship, there are signs of horrible bloodshed. One of the rescued men, of unknown nationality, loses himself among the ship’s passengers and starts randomly slaughtering the patrons and staff. What is his motive?!

A diver has died, but five years of his life have been accidentally destroyed from his blue lantern. Now he must live again. Will he be able to make all the right decisions?Note on the title and premise: A "lantern", as it relates to this story, is a vessel, floating on the water, that contains the memories of a person's life that they will see when they die.

Yui is simply a ghost wandering around the beach. She does not know who she is or what happened on "that day." That is, until she meets up with her big sister Yuria who helps fill in the missing pieces...

The story begins with Japan's elimination from the 2018 FIFA World Cup, which prompts the Japanese Football Union to start a programme scouting high school players who will begin training in preparation for the 2022 Cup. Isagi Youichi, a forward, receives an invitation to this programme soon after his team loses the chance to go to Nationals because he passed to his less-skilled teammate —who missed— without trying to make the game-changing goal by himself.

Their coach will be Ego Jinpachi, who intends to “destroy Japanese loser football” by introducing a radical new training regimen: isolate 300 young strikers in a prison-like institution called “Blue Lock” and put them through rigorous training aimed at creating “the world's greatest egotist striker.”

Note: Won the 45th Kodansha Manga Award in the shounen category in 2021.

From Sentimiento Yaoi & Fluffwords
On a hot summer afternoon, Hayato meets the new transfer student, Souma, who has not been able to adapt to the new environment. Hayato always manages to be in Souma’s sight and thinks that he will be able to take care of him. The familiar touch allows Souma to familiarize with the environment until he’s able to smile again. Meanwhile, Hayato tries to fix his past mistakes.

From Choutomaraseru:

An injured soldier on an alien world is rescued/captured by a soldier from the other side of the conflict.

In his second to last year of high school, the dispassionate but studious, Yataro Yaguchi finally finds a calling in art. With no prior art experience, he decides to work towards applying to an art university. A decision with potentially disastrous results.

On an island in the ocean, prisoners are sent to mine a mysterious and dangerous ore. One day, a soldier named Credo is sent to the island as a guard... One-shot, Winner of Shinman GP 2017.

A girl named Jessie Jackson comes from a special tribe of Blue Ramun (Blue Blood). Their blood is used as medicine and healing agents for almost any sickness whether in its purest form or mixed in with other herbal remedies. As Jessie comes of age at 15, she must leave her tribe to help those in need and she is assigned to the Lezak district with the handsome captain named Eagle and happy-go-lucky doctor/priest Randy. As she is now alone without her tribe members with her, Jessie strives to fulfill the difficult task bestowed upon her, thereby learning the strength of not only her body, but her spirit as well.

Konatsu's dream is to become a movie director. She falls in love with a popular actor, Aoi Nonomiya, and decides to confess to him upon her friends' encouragement. But...