<Undead> Noh Eunha.
After losing his family and closing off his heart, he just wanted to kill the monsters he loathed.
I regressed before my life came to an end in the deepest part of the <Abyss Dungeon> that was impossible for mankind to raid.
Since I’ve been reborn as a baby, let’s make this life different.
I will do anything for the sake of my happiness.
I’ll kill in order to live, and I’ll do my best to survive.
Even if I have to walk a thorny road by myself without anyone acknowledging me.
This life, I will definitely—

Two women who are just friends make a pact... "If both of us are still single in 5 years, let's get married." Five years later, they meet again, and their married life begins.

Serialised in Yuri Hime starting in November 2020.: https://www.animenewsnetwork.com/news/2020-10-17/donuts-under-a-crescent-moon-shio-usui-launches-new-manga-in-november/.165322

This is a world of magic where magic is used for everything. But deep in the forest exists a young man who spends his time training and bulking up. He can't use magic, but he enjoys a peaceful life with his father. But one day, his life is put in danger! Will his muscular body protect him from the magic users who are out to get him? Powerfully trained muscles crush magic as this abnormal magical fantasy begins!

Lydia, the daughter of a count, reincarnated in an otome game, "Easy Love Simulation Reincarnation System." Life should have been easy… However, because she changed the god's scenario, she has no luck?! With two failed attempts at marriage, worried about finding a decent man to marry, a black knight, who misunderstood that she was looking for a "sacrifice" for drug experiments, came?!

From MangaHelpers:
From the perspective of an alien planet with super-advanced technology and tiny (1/60th the size of a human) inhabitants, planet Earth was the perfect location to banish their worst criminals. Five of said criminals were sent to the planet to be exiled, attached to little critters like frogs and rabbits so they can never be fully active. Due to an accident, these five criminals managed to escape and attach themselves to five different girls that were nearby. The one responsible for the banishment of these five criminals now must detach them from the girls by mouth-to-mouth release.

By Paradise Love Scanlations:

Jebron is a country ruled by the Five Kings, who were born from the blood of a god. Sage, a young orphan, has a little sister named Hoshimi with the power of the gods, and in order to protect her, he decides to put his life in danger before the cruel and proud Blue King.

However, he by chance encountered the Red King named Gules, kind and sympathetic, by which he begins to have feelings.

But Sage is owned by the Blue King, and who feels insulted by the situation.

From Bamboo Feathers:

Every night, strange happenings visit the residents of shared pension and cafe 'Tsukishiro'. One evening, the main character Touya saved Yuzuriha, and there's something about the mysterious beauty that makes him feel nostalgic. Yuzuriha asks him "Do you believe that there are beings from another world?"

This time from the fan-favorite Morimoto Shuu, a lovable story of random animals, strange heritages and living together!

Lina, a healer with a magical power called "Saint," is one day suddenly exiled from her childhood friend's party of heroes! Lina is shocked by the unreasonable expulsion, but she quickly forgets about them and decides to live the slow-life she longed for! Just at that moment, another childhood friend appeared, Henri who is now a nobleman. He is excited to see Lina again for the first time in 5 years, but for some reason there are suspicious movements among the heroes' party?! A second life filled with trouble for the strongest saintess who just wants to live leisurely, the long awaited comic serialization!

“I” who died in an accident in this world was reincarnated in a strange world when he woke up. Moreover, not humans but demons …

He was attacked by a monster in a different world without knowing right or left, and was saved by Charlotte, the daughter of the Duke, after he managed to escape from his life.

She is kind and innocent, and has been hurt by the so-called slanderous defamation since her sister-in-law Lily arrived.

Then it’s my turn to save Charlotte!!!

Narita doesn't believe in love at first sight, but when he meets a cute high school girl named Tsubasa, he falls for her immediately and even confesses to her. They both decide to start out as friends, but then she comes out and tells him the she has multiple personalities...!?

Toradora!'s story begins with the male protagonist Ryuuji Takasu who is frustrated at trying to look his best as he enters his second year of high school. Despite his gentle personality, he has a natural outer-appearance which makes him look like an intimidating delinquent so he is utterly hopeless about his chances of getting a girlfriend anytime soon, and does not have many close friends either.

After being greeted by his hungover mother in the morning, Ryuuji goes to school and is happy to find that he gets to be in the same class as his best friend, Yūsaku Kitamura, and crush, Minori Kushieda. However, it is then that he unexpectedly knocks into "the school's most dangerous animal of the highest risk level" - Taiga Aisaka - who just happens to also be in his class.

The girl I love is my brother's ex-girlfriend. She's a trashy girl who's clingy, stubborn, and takes advantage of my weaknesses. But I can't seem to stop our relationship.

High school girl Akari mourns the loss of her mother who died when she shielded Akari from an oncoming truck a year ago. She discovers an adventure game her mother had gotten for her birthday some time ago, but never had a chance to finish. Suddenly, she is summoned to be the mother of the Demon Lord's 10 children in another world...

From MangaHelpers:
Hagoromo Maki is going to an all-girls high school, a special one that allows its students to commute by plane. She and her first friend at school, Hasegawa Motoko, have found a plane and fixed it up for themselves to fly! However, it turns out that it was the plane used by a legendary pilot who protected the airspace for their school, and their school's ace pilot does not approve of them having it. Will Maki be able to fly and protect the air for their school?

Arion, a young man, is kidnapped by Hades as a child, raised to believe that his mother was blinded by Zeus, and that killing the ruler of Mount Olympus will cure her.

From Chinatown KM:

Based on the 40mP million-view hit Vocaloid song Shiryoku Kensa, Miyashita Megumi, also known as "Gumi", was one of the only survivors in a plane crash thirteen years ago. Since then, she has been able to see two copies of every person and one of them always has a "C" on them. Thirteen years later, she now wears glasses, yet her left eye remains a puzzle. And then, her friend goes "missing".

Fuuko is a shy girl—so shy that she has trouble talking to strangers. Determined to change herself, she starts working as a waitress at Café Rhodos. The people she meets on and off the job will lead her through the often frightful world of adolescence, and beyond.

In the Kingdom of Bandiera, the royal prophet has announced the incoming resurrection of the Demon King, 500 years after the first King sealed it.

Four heroes were thus chosen and sent to the location of the Demon's prison. Meanwhile, Charlie Barett, a modest gate keeper, is stuck at the Royal City with a job he hates, spending his days complaining to his captain and his co-workers; one of which is the noticeably generic-looking Jimmy Monbarn.

A female author of lewd mangas frequently finds herself without motivation to work.
In those cases she calls over her married neighbour, Nanako-san.

Souya is a sullen salaryman whose days are spent chasing after work deadlines all while still keeping his dream of becoming a manga artist. To him, his one and only support in life is none other than his beloved wife, Yuuka. One day, on his way back home, he was suddenly caught in an accident and before he knew it, an alien had taken hold of his body! Not only that, the evil threat of another alien is closing in on Yuuka too!

Here comes Souya as "Otto-man", his superpowered husband form, as he jumps in to save his dearest wife! Have a taste of his love for wife and this world!