The Arisaka sisters (Hatsune and Kazuki) and the Kagura siblings (Yuuji and Marie) lived next door when they were smaller. So close that they could climb onto each other's verandas from the 2nd floor. They would always play together until one day the Kagura siblings had to move.
It's been 10 years and the Kagura siblings are moving back! Yuuji's turned into a pervert and Marie isn't the crybaby she used to be?

From Seven Seas Entertainment:
Monsters? They're real, and they want to date us! Three years ago, the world learned that harpies, centaurs, catgirls, and all manners of fabulous creatures are not merely fiction; they are flesh and blood?not to mention scale, feather, horn, and fang. Thanks to the "Cultural Exchange Between Species Act," these once-mythical creatures have assimilated into society, or at least, they're trying.
When a hapless human teenager named Kimihito Kuruzu is inducted as a "volunteer" into the government exchange program, his world is turned upside down. A snake-like lamia named Miia comes to live with him, and it is Kuruzu's job to take care of her and make sure she integrates into his everyday life. Unfortunately for Kuruzu, Miia is undeniably sexy, and the law against interspecies breeding is very strict. Even worse, when a ravishing centaur girl and a flirtatious harpy move in, what's a full-blooded teenage human with raging hormones to do?

Two babies of different statuses were swapped by fairies. Raised as a noble, the 13 years old Anna became an adult. She who doesn't resemble her family at all, worried every day because she couldn't use her magic that well. One day, a fairy appears right in front of her...

"Understand for yourself that you are worthless. You are already obsolete."

Dion, the recovery wizard who was told so, was seriously injured by the hands of party members and left behind in the interior of the highest difficulty dungeon.

On the verge of running out of his life, he happens to encounter a dying dragon. Dion realized that he couldn't help him anymore, and he treated the dragon to live as a recovery wizard until the end. Then the dragon thanked him and even shared the power of the dragon. In addition, this dragon seems to have been a legendary god dragon-class. Dion escapes from the dungeon with his new companion, the dragon, and restarts as an adventurer. He captures the difficult dungeons that stand in his way, and his abilities are recognized and he has all the strong men on his side.

This is a story about a recovery magician who leaves behind even the party he was in from a difficult situation and becomes the strongest adventurer in the world.

Links:
- Web Novel: https://ncode.syosetu.com/n6844gh
- Official LN (JP): https://www.bunkasha.co.jp/author/a236341.html

Akira is just having an usual day at his second year of high school when he and his fellow classmates get sucked into another world through a portal! This fantasy land is called Morigan, and is a world filled with Demons, Humans, Elves and other mystical creatures. As they get debriefed by the King of one of the continents on this strange new land, they were informed that each one of them will have a class, which skills can be conveniently opened and analyzed through a "status bar", and their objective is to train, become stronger, and repel the imminent demon invasion.

Only one of them, however, will be able to become the true.

Akira found out that he got the class and with heavily overpowered stats, surpassing even those of the class. Making use of his shinobi-like skills, including subterfuge, negotiation and stealth, Akira goes into thrilling quests and unveils secrets about this strange new world, including a meeting with a cute Elf girl and others members of a soon-to-be adventuring party where not everything is as it seems...

Jin Mita, a farmer living in a small countryside town, discovers an unconscious female knight in his rice field one morning. She calls herself Seraphim, and she seems to have come from another world. She has no knowledge of this world and nowhere to go. Unable to bear seeing her like this, Jin offered to take her in, but apparently the people around him think that Seraphim is his wife...!?

A slow life in the countryside begins with a beautiful female knight!

(Source: Magazine Pocket)

In the middle of the school-day, on the second floor of the gym.
This is where the two came to skip class, and it's where their friendship began.
A story of two high school girls, playing ping-pong and chatting as they spend the heydays of their youth.

Otakura is a high school boy who's clearly an otaku, and Narumi is a high school gal. Normally, these two polar opposites would never cross paths, even at school. But by a strange coincidence, it turns out Otakura is able to use his inherently handy nature to help out Narumi with her own hobby-related requests, one after another?

A story about a young girl who loses her mother.

Bash, the Orc Warrior, is a Hero.
During the war, he crushed and defeated all that stood in his path. He is respected by all Orcs as the Orc among Orcs.
However, Bash has a secret.
He has no experience with women – he, the Hero, was a virgin.
For Orcs, who hold combat and sexual prowess in high regard, being a virgin is tremendously shameful.

[The fact that I’m a not only a virgin, but a virgin Orc Hero, is a shame for all of Orcish society. I want a wife too!] With this in mind, he decides to embark on a journey.
In order to protect the pride and honor of his race, but mostly to finally get his d*ck wet, he decides to go to leave on a grand quest to find himself a woman.

From the author of the popular LN series "Mushoku Tensei", comes with another masterpiece!

Rina was summoned to another world to be the Saint, but was surprised at how bad the food tasted. It tastes like this even at the royal palace…? I’ll just make it myself, so give me your kitchen! Relieved of her Saint duties, Rina wins the heart and stomachs of the nobles through her food!

alt. Raw: https://seiga.nicovideo.jp/comic/44992

Mankichi Akatsuki works for a publicly traded IT company, and his work and relationships are going great, but there's one thing that sets him apart: the rest of his family (mother, older sister, and two younger sisters) are all unemployed. Though they're all motivated, for some reason they can't find work. On top of that, his childhood friend Minayo loses her home and comes to live with them... His goal is for everyone to become independent! And to wed his childhood friend!!

(Source: Houbunsha, translated)

I absolutely hate a world filled with sweet talking. I'll fight the Heroine's rationale head on!!!

After waking up as the villainess she admires so much from her favourite otome game, Alicia trains hard every day to become the greatest villainess of all time.
Mangaka's personal twitter: https://twitter.com/mkntbr
Mangaka's work twitter: https://twitter.com/hsakari_

Miss Black General is a villainous executive of RX, a secret organization bent on world-domination. Unfortunately, Miss Black General also has a huge crush on Brave Man, a costumed superhero dedicated to foiling RX's evil schemes, and she often mistakes his violent heroics as an overly enthusiastic form of flirtation.

Kazuto Ayanokoji is an ordinary high school boy. He spends his days playing online games as a hobby. One day, he discovers the true identity of a friend who is so close to him that they are married in-game. It turns out to be a cool idol from the same class, Rinka Mizuki. As Rinka tries to act as his wife in real life, Kazuto is forced to lead a dizzying life.

Terazaki Kaoru is about to meet up with his online friend, Nanami. But Nanami doesn't know Terazaki is a guy in real life! He's sure to be disappointed and at least a little weirded out. But Terazaki is in for a surprise...

Tokiwa, a university student, is invited to a three-on-three blind date by Suou, a fellow classmate. On the day of the mixer, he goes to the pub where they are supposed to meet, only to find a group of handsome men waiting for him...

Rikuto, an illustrator, and his wife Natsuki, a civil servant, have been married for a week. Their newlywed life has only just begun. His wife is too perfect in every way, but Rikuto can't forget the way he once saw her in a disheveled state. He wants to see her again in a disheveled state somehow, but he always ends up being defeated!

It's the start of a new school year. The new homeroom teacher for Abikura-kun, a second-year high school boy, is Hiyori Uwamura, who is known as a "Scary Teacher", rumored to curse you if she gets offended!

One day after school, Abikura-kun witnessed the other side of "YowaYowa-sensei"... and he is shocked by the gap between reputation and reality! The opening of a romantic comedy that will stir up your protective instincts!!

Following the advice of his imaginary friend Jason, who told him, "Treat all girls like stones," Park Jin-yong starts seeing every girl as a stone. But then Sunwoo, a female student who doesn’t look like a stone, appears before him, and for the first time in five years, the sight of a girl’s face sends Jin-yong’s happy little circuits into overdrive...