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?

Ordinary office worker Oohashi Rei wakes up in the body of the protagonist of her favorite otome game, Revolution. To her delight, the first person to greet her is also her favorite character, Claire Francois–the main antagonist of the story! Now, Rei is determined to romance Claire instead of the game’s male leads. But how will her villainous lady love react to this new courtship?!

Links:
Author's Twitter: https://twitter.com/inori_narou - Tweets in English, Japanese, and Korean.
Artist's Twitter: https://twitter.com/aonoesu - Tweets only in Japanese.
Official English Novel: https://sevenseasentertainment.com/series/im-in-love-with-the-villainess-light-novel/

10 years since he reincarnated in hell…Takamichi is troubled. With the “Incubus” power unlocking further to become stronger by having sex with women but his growth peaked. “I’ll move to a new area, wait for me beautiful women of the new world!” Sexy & violent pretty girl battle fantasy!

The power harassment from Alfine ー his girlfriend and childhood friend ー who is the same age, grew up with him, and became adventurers together, is painful. She is a peerless beauty, a person with the title "Sword Master" and called the "Flawless Sword Goddess," a capable woman with achievements recognized by the kingdom and rewarded with appointment as a knight and became a noble. On the other hand, he is treated as that capable woman, Alfine’s accessory, gets abusive language hurled at him by her, and suffers from her harsh power harassment and insults to him as an adventurer, resulting in him losing his dignity as a man and as a person He has resigned himself to spending his daily life in the position of a lover-caretaker.

However, changes came to that daily life. Alfine, who becomes busy as the kingdom's knight, often is unable to take part in adventures. As a result, the times he takes requests alone increases, and he is able to regain his lost dignity. Then he becomes aware of the abnormality of his circumstances. So, to regain himself, he chooses to leave her and her repeated power harassment behind. In addition to all of the equipment he has received until then, he returns his sword, one of a pair they had exchanged when they became adventurers. Declaring that they are over, he leaves the place quickly.

"From now on, I will change my name and appearance and live freely."

As soon as he decides that, everything goes well. When he realizes, he is praised by the people around him and is the greatest adventurer on the frontier. What's more, he got a proposal to marry the frontier lord’s daughter from a female adventurer.

The school nurse feared by everyone, with her white underwear peeking out of her black tights.
And then she caught me peeping at it..... Thus began the s.e.c.r.e.t afterschool counseling

From the moment they were born, they’ve been together through everything—waking hours, sleeping, and even bath time. At this point, calling them "childhood friends" feels a bit too soft. No, these two are "Sh**-tier Friends." More than childhood friends, but less than lovers. Having come full circle, they're basically an old married couple.

Takuya Seo is an otaku who likes "anime for girls" and can't say he likes it out loud. One day, he hooks up with two gals from his class, Amane and Ijichi, but it seems that Amane is also an otaku... It's about a school romantic comedy where the otaku meets the gals he like!

Riku Mikami, who is starting as a university student in the spring, finds out that his favorite VTuber is taking a hiatus. The one who cheers him up is Rui Saionji, his classmate. Will Riku resolve to make Rui his "oshi"?

Until recently, they were supposed to be just childhood friends… but once you start becoming aware of each other, there’s no going back. A youthful romantic comedy about that turning point!

A hugely popular series on social media now arrives on GANMA! (with over 450,000 total likes).

Makia is a noble lady descended from an infamous witch. Thor, a boy who was raised with her and came from another world, is chosen to be the knight of the "savior". The two are forced apart and to see Thor once again Makia aims to be the top student at Magic School!

A single mother who despises men is neighbors with a younger, womanizing man! Despite being scum, he is great at cooking and childcare--does that make him an ideal partner?

Can you give me a happy ending? Komatsu Risa is in love with her childhood friend, Sano Chihiro. Although they have a very close relationship, and are often mistaken for a couple, Chihiro is unaware of how Risa feels and accepts a confession from another girl... Heartbroken about her first love, she confides in her seemingly indifferent homeroom teacher, Natsuo.

A story of youth and sensuality. A thrilling real high school love story! High schooler Nachi Shinohara is a social butterfly. He can get along with anyone. On the other hand, there's the lone wolf, Takizawa Yuuri. A chance exchange of words leads to a relationship that no one knows about.

A wandering prince is set break an ancient curse bewitching the Kingdom of Amaryllis by waking up its princess with a kiss of true love. However nobody told him there were 7 princesses to kiss and he must now take responsibility by live with them while they find out why the people of Amaryllis are unable to wake up. Will they reach a happily ever after?

Hinako, a friend of Asahi's older sister, is a frequent guest at the home of the high school boy. She always misleads his mind with her suggestive attitude while treating him like a little brother...or rather, pet? A love story between a gal who has a bugged sense of proximity and an otaku guy who acts like her parent!

Kotesashi Kouyou is the protagonist who possesses outstanding skill as a masseur. He aspires to become a sports doctor and wants to get scholarship in medical school. Starting spring, he will attend the high school attached to Seiwa University, a sports powerhouse. Since his family is not wealthy, he has to work as a hostel manager where he is allowed to stay in order to pay for his school expenses, however, there he encounters high school girl athletes with various problems. Kotesashi's job is to take care of them physically and mentally, as well as being the hostel manager. School girls from sports clubs and massages! All this will start a life full of intense excitement in the dormitories!

Narita, a family restaurant employee in his late twenties who is always busy with work, is feeling down about the results from his job interview. While having dinner one night, he's absentmindedly watching a video recommended to him on a streaming site.

The video shows Sasa Yoruzaki, an artist with an overwhelming sense of fashion and amazing singing ability, despite her cool and slightly cheeky attitude.

Later, when he goes to an old laundromat to deal with some laundry problems, he suddenly notices a woman and feels something is off about her. The woman seems familiar... That's when he realises it's Sasa herself, the one he had just seen in the video.

Ken Takakura, a boy who is an occult fanatic who doesn't believe in ghosts, and Momo Ayase, a girl who doesn't believe in aliens, encounter overwhelming strangeness that transcends their mutual understanding...! An occult coming-of-age story!

Losing one match after another, shogi prodigy Yuhi Ninomiya became a shadow of his former glorious self. It was then that he faced his old rival Kanata Kuji in an official match. However, the record-setting match ended with Kanata winning his 27th consecutive game, and Yuhi losing his 17th consecutive game. Feeling frustrated and depressed, Yuhi stops by a bar, when he has a fateful encounter with a certain girl! Her name is Tsuki Kayamori. Although she is overbearing, self-centered, and eccentric, her sharp and unorthodox playstyle is as if she was chosen by the shogi God!

(Source: K Manga)

The manga centers on veteran novelist Mariko Kōda, who lives with the families of both her son and her grandson in one house. Feeling like she no longer has any place in her home, she decides to leave the house and strike out on her own, beginning with living in a manga cafe in the city.