Reo is tomboy Aiko's rival, and Ai strives to beat him in everything - like basketball and popularity - but her efforts always fail with Reo always coming out on top. Then one day, she sees her break come through: her brother offers her a job at his maid cafe! But how will tomboy Ai ever be able to pass off as a cute maid? With a wig and a bit of makeup, this becomes possible. She's so much of a different person, even Reo doesn't recognize her! But things start becoming strange when Reo shows interest in her, asking out "Mai" on a date. Ai agrees, with plans in mind to get him to fall in love with her so she can later dump him. Will Ai finally win over Reo, or will her plan backfire just like her many others?

What if the world was divided into people with martial arts powers and people without? Taeyeon Kang was one of the lucky few born with such powers. He enrolls in Murim Police University, a special school for those with powers to stand on the side of justice… but he has a secret of his own. He’s here to uncover the truth behind his father’s disappearance as well as seek protection from the Evil Murim Faction which is after his family’s secret book of martial arts techniques. At the same time, the legendary Ghost King makes his grand return, years after his mysterious disappearance. Just who is this masked anti-hero?

Niito Nemuko, nicknamed Neeko, is 23 years old and still unable to find a job. This is her everyday life as she struggles with the fact that she's basically just a NEET.

Ai Morikawa is a hard-working career woman at her job in Tokyo. After a long night at work, she returned home on the last train to find a handsome boy at her door. The 16-year old Nagisa is her sister's stepson, suddenly sent to live with Ai when his parents left for an overseas job. Wary like cats, these two loners 10 years apart in age will have to make a new life together.

From Anime News Network:

Tatsumi Karasawa becomes the owner of host club "Shinijuku Sokai" in only two days. He leads a group of amateurs who aren't afraid of gangsters, police, or so-called "professional" organizations. Without fear, he walks the difficult path leading straight to the top.

From Chibi Manga:
I died when I was proposed to in a cafe, and I cried in front of everyone. But the person who proposed to me hasn't even kissed me, I didn't even know he was my boyfriend. This is the cruel Furuya-sensei (but he's really handsome) that has an unexpected side, and An has fallen in love! Desperately trying to approach him, even with his guard up..?! A exciting and forbidden comedy!

From MangaHelpers:
In a world where humanity has turned into prey against the so called "white skin" creatures, one legendary figure known simply as "Ryuma" continues to give hope to this post-apocalyptic society. This individual has many faces and descriptions, but his/her legend has lived continuously in the hearts and minds of the people for half a century. No one knows where this legend started or who started it. Here starts a chronicle to unveil the mysteries of a legend.

The wizard Haru spent his days being abused by the hero, his childhood friend Leticia, when one day while being scolded he thought to himself, "This is no good". And thus began Haru's adventure to regain his true self! The curtain unveils on an other world "redo" fantasy life!

The intense gun action story is set in the United States in the aftermath of the American Civil War. In the chaotic atmosphere of the postwar period, the northern government issues Licenses to Kill to bounty hunters in order for them to take out the South's remaining soldiers and outlaws. One of those bounty hunters, a female gunslinger known as Black Tiger, faces off against dark enemies who carry fiendish weapons.

University student Satake Aoi wakes up rolled up in a red string and with a stranger inside his house that says he's a god. Aoi scapes, but something is... different... He's now extremely popular and everybody's fighting for his attention. What's the relation between these events and some promise he made with the man that calls himself the god Ookuninushi-no-mikoto and what will happen from now on?

In a large mansion lives a boy, an aristocrat who was cursed by the witch to "let everything he touches die." With him is his maid Alice, who besides serving him, likes to tease him. The boy who is interested in her doesn't mind the teasing, but not being able to touch her is painful!

If they are unable to hold hands, how will their love ever bloom?

In the near future, the world is a desolate place occupied by the undead. Strange crystals emit a deadly zombie virus as the last remnants of humanity struggle to avoid infection and survive. Despite all this, life is relatively peaceful for young Ruby, who lives in the Amina Safe Zone with her father and a small band of other survivors. All of this changes when Ruby encounters Arvan, a white-haired young man with pale skin and no heartbeat. This meeting sets off a series of events that force Ruby and her father to embark on a journey to discover the truth.

The inside of the taboo door is shattered, or...

A noisy little family, a cheerful group of classmates, and a boy, born on the first year of the lunar calendar living a never changing life. Then one day he notices a girl in his class shrouded in mystery. Her name is Makina. However, the boy just can't seem to bring himself to talk to Makina. Then one day, before the first lunar calendar month, another mysterious beauty appears. Her name is Rushia, and as she leans in as if she is going to kiss him, she tells him about a mysterious power hidden inside him called "Snake Eyes".

In a city where the law has been rendered non-existent, Yuki and his best friend Tetsu break into the offices of the Seidoukai to steal in a desperate attempt to finance his ailing brother's hospital bills. They ultimately fail but instead spark the interest of the mob's young leader, Kazutaka Hyodo, who offers Yuki a deal he can't refuse: pay him a visit at his office once a week and all hospital bills will be taken care of. Yuki accepts without hesitation and in order to keep his end of the deal, starts paying Hyodo the visits he asked for...

A family is devastated by the Great Tottori Fire of 1952, but the family comes to terms with the disaster and breaks free from the bonds holding them back.

"Akatsuki" is the first ray of light emerging from pure darkness. "Samson" Takaki is the ace wrestler and company president of the Akatsuki Pro Wrestling group. Samson has devoted his body and soul to his wrestling career. Now, Samson not only has to endure the bodily damages caused by his long wrestling career, but he has to face prostate cancer. However, this doesn't deter Samson. He continues his fight to bring joy and entertainment to his fans.

Few people are born to rule, while most others are born to be ruled. Kakoin Seichiro is from the latter group of people, yet he's able to attend Keiho College, a prestigious school where only the wealthy can attend and the students are those who will eventually run the country. Seichiro does this by putting up a facade that gives off the impression that he belongs in this circle and using his great intellect to manipulate people through the use of human psychology. He despises those around him for being born into a gifted situation unlike himself and will use anybody as a stepping stone to make his way up the social ladder.
One day, Seichiro is introduced to Shinmei Tamami, a teenage girl from an incredibly wealthy and powerful family, through being her tutor and discovers that, somehow, she possesses the power to materialize objects. Realizing that this will be his ticket to his dream, he tries to understand and manipulate Tamami’s incredible power.

In a village affected by rural depopulation, a grower named Keita creates a new fig species that gets recommended by a web celebrity. The local economy starts to pick up thanks to media exposure, which gives Keita hope for the local school to reopen, in order to convince his wife to come back with their daughter.

Yet the daily life in this peaceful village is disturbed by the arrival of a stranger, Suzuki Mutsuo, seemingly seeking for employment. Keita doesn't trust the sly man, and his doubts are confirmed when his best friend informs him that he has recognized the stranger: sentenced several years ago for a case of harassment and murder, he is a criminal fresh out of prison!

Live-action dorama adaptation (2022): https://www.imdb.com/title/tt15215468/

From Dan of Population GO:

Ogi Juugo has forsaken the entertainment industry ever since it caused the death of his family. However, fate had different plans. After proposing to his girlfriend and being shot down, he realizes that his girlfriend is actually a model. Acting on his love for her he decides that it is time to return to the industry.