Jae-Hee is an addict of the trash game Infinite Dia. One day, she finds out that the developers of Infinite Dia are releasing a new gacha game called Terrarium Adventure.

Wanting to get the final secret achievement before the game is discontinued, she puts all her time into Infinite Dia. When she finally succeeds in getting the secret achievement… She wakes up to find herself in a world of fantasy and magic!!

Now, not only does Jae-Hee needs to figure out this entirely new world, she also needs to enlist of help of dryads to stop the world from burning!

I woke up and I became my favorite villainess---.
Lunaria il von Solfege. The protagonist, who was reincarnated as the villainess of her favourite game, was flooded with tragic memories of Lunaria. She was condemned, left alone and uncared for, and tried to commit suicide by stabbing herself with a dagger.

*"I'll take care of everything, Lunaria. Now that I'm Lunaria, I won't give you any mercy."*

A brilliant revenge drama of a villainess who fights for love begins...

From Intercross
Waka is a 13-year-old Go lover! Learning from her grandfather, a pro Go player, she comes to enjoy connecting with the people around her, regardless of age or gender. One day, she meets the young genius go player, Sagisaka Souji, in a match that tore at both body and soul, and so she decides to become a pro go player herself!

From Friendship Scans

Ranze Etou is an adorable immortal girl with a vampire father and a werewolf mother who would throw things at each other when they get into childish fights. However, Ranze just wants to live like a normal girl and lead a normal life. Unfortunately, she is "blessed" with the power to turn into anything she bites. For example, if she accidentally bites a cake the wrong way, then she will turn into a cake. The only way to return to normal is to sneeze! Ranze is in love with Shun Makabe, who is a handsome human boy at school. However, a human girl (without much hair) named Youko also likes Shun, and she would do anything to reveal that Ranze is not a human!! Things got even more complicated when Ranze met Aaron, who is the prince of the Spirit World. Aaron fell in love with Ranze and first sight, and he would do whatever it takes to win her away from Shun... Tokimeki Tonight was one of the hottest mangas in Japan, and you sure don't want to miss this hilarious comedy!

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.

Yukari Maki, a diligent high school girl. One day, she spots her classmate, Yusuke Kusaka, who was rumored to be a delinquent, singing a love song. Never having imagined such a sweet, yet sad, singing voice could come from him, Yukari was instantly captivated—without knowing that it would soon be the beginning of a sad, unrequited love.

From cotton candy scans:

Yukito is a handsome scholarship student who also excels at sports. Just starting high school, he has never had the time to think about things like love.

One day, he was saved by a girl he didn't know. Turns out, she's actually Yukito’s classmate who’s been absent since the school’s opening ceremony...

Penelope Eckart reincarnated as the adopted daughter of Duke Eckart and the villainess of a reverse harem dating sim. The problem is, she entered the game at its hardest difficulty, and no matter what she does, death awaits her at every ending! Before the "real daughter" of Duke Eckart appears, she must choose one of the male leads and reach a happy ending in order to survive. But the two brothers always pick a fight with her over every little thing, as well as a crazy crown prince, whose routes all lead to death. There's even a magician who's enamoured with the female lead, and a loyal slave knight! But somehow, the favourability meters of the male leads increase the more she crosses the line with them!

This is Penelope’s survival story, who’s been dropped in an insane reverse harem dating sim!

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.

Rachel was chosen as the Crown Prince’s fiancée solely by virtue of the immense magical powers she possessed. Thus, when the Saint appeared, she feared that her most coveted position would get snatched away from her.

Spurred by jealousy, Rachel committed evil deeds against the Saint, resulting in her engagement getting annulled. As further punishment, she was sent away to a monastery, but her carriage was attacked by bandits en route. Just when she thought that death was imminent, she woke up with a start… only to find herself three years in the past — with almost all of her magic gone, and her body so frail and weak that she could barely even leave her bed!

Determined to prevent fate from repeating itself, Rachel resolved to take full advantage of this second chance and call off her engagement pronto. But for some reason, the Crown Prince keeps refusing to break things off with her—?!

A high school girl reincarnates in another world as Lily. While she occasionally reminisces about her past life, she is now known as "the Maid of the Royal Family," after helping to rear the lady who eventually married the crown prince. One day, the court magician Leonard suddenly requests that she acts as a mother for his adopted daughter Jill.

Oringinal WebComic / Original Web Novel

Agnes, who was ridiculed in the social circles for being an unfashionable noble, happened to help Nazelbert, the duke's son, who had been betrothed to the Princess.

However, the Princess saw this and ordered Nazelbert to marry Agnes as punishment.

Isn't it terrible to marry me as a punishment? Look, he seems to hate it too. Wait, he doesn't?

This is a story about an unfashionable noble and a duke's son, who grow closer to each other.

Orignal Web Novel: https://ncode.syosetu.com/n2047go/

After their parents are killed in a plane crash, Ryuuichi and his younger brother Kotarou are taken in by the chairman, who they never met before, of an elite academy. Ryuuichi becomes the school daycare's new babysitter.

Ide Nobuhisa has always been a boy full of vitality and a young promise in the field of track running. However one day after a competition, he stumbled over the pretiest pair of legs he had ever seen! Their owner, a young girl practicing tennis makes a promise with Ide that she will teach him how to play. After seeing the name tag on her racket bag, Ide puts all his efforts into passing the test for accessing the same high school she goes to, Makunogama. In his first days in his new high school, Ide discovers two things: an old friend of his is also attending, and nobody knows of a girl with the name he saw on the tag! He and his friend join the school tennis club, where they meet another first year, Takita Louis (Ruui), a very good tennis player with a little of an attitude problem. However things start to look better for Ide when his dear missing girl appears in the school! As it happens, he misread her name on the tag...

After turning 65 and bereaved of her husband, Umiko visits a cinema for the first time in decades. A shocking, life-changing event awaits her. When she meets Kai, an art student majoring in film, Umiko realises that she wants to make a film. She realises that she is on the side of "the people who want to make films"...
Lured by the waves that stir her heart, the 65-year-old dives into the sea of film!

Older sisters are best friends, younger siblings are best friends. Among these like brothers there is a strange relationship.

Neglected by her family, Cha Miso dreams of life in her favorite novel as the beloved main character. Then one day, she wakes up inside the novel, but as Eileen Etam, a downtrodden side character who will be kicked out of her home! To avoid further neglect, she plots to leave before that occurs. But when Erno Etam, the crazy heir to House Etam, claims that Eileen is his daughter, her plans are foiled, and Eileen finds herself in the middle of a conflict between House Etam and a cast of villains.

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

Hirune Hanamaki is a 22-year-old office worker who fits your common isekai tropes - overworked, underappreciated, and fated to kiss the front of a truck barreling towards her at 80 kilometers per hour. When she comes to, she meets a goddess who tells her of her passing, and offers to provide her another chance.

Before she knows it, Hirune is whisked off to another world, now with the body of a little girl. She is picked up by a passing priest, who is amazed by her innate magical powers and suggests that she become a saint. Hirune, who wants nothing more than to live a lazy, carefree life, immediately accepts… only to find out that a saint actually does a LOT of work.

Can Hirune work her way to becoming the ultimate saint, so that she can obtain a less rigorous work schedule?

There exists an evil organisation that intends to invade planet Earth.
The man called "General" fights everyday against the Earth's Defence Force, the "Rangers"!

However, today is his day off.