I've been reincarnated as the villainous noble Weiss from my favorite academy game, and the fate that awaits me is nothing but the worst possible ruin, with no salvation.

I absolutely have to avoid that at all costs!

Then the only way out is to gain overwhelming power that even surpasses the game's protagonist and become the strongest!

Aesir's already spent 120 years of his new life as a high elf living the lackadaisical lifestyle one would expect from him. It's about all he can take. With much more time than he knows what to do with, he decides to set off and explore the world he's spent a century in and still knows nothing about.

Elven girl, "Aria" is an adventurer. A small beast with an adorable face embraces Aria's fruitful chest, she decides to keep it as a pet and names it "Tama". At first sight it's just an average cat, but Aria has yet to notice that Tama is a former Knight and that his identity is not a cat, but a young monster of the strongest class "Behemoth".

A young pharmacologist and researcher in Japan died from overworking, and was reincarnated in a Medieval Parallel Europe. He was reincarnated as a 10-year-old apprentice to a famous Royal Court pharmacist, had attained an inhuman skills of ability to see through disease, material creation, and material destruction.

In a society in which dubious medical practice are rampant, price gouging thru the monopoly of the pharmacist guild, and good medicine aren't available to the commoners. He was recognized by the Emperor at that time and opened a Pharmacy at the corner of the town.

He will wipe out the fraud that has swept the world, and deliver to the commoners a truly effective medicine that was developed using present day pharmacology. Thus the boy pharmacist will cheat by using his previous knowledge to create innovative medicines while helping the people of the parallel world, a story about living his new life to the fullest this time.

The popular web novel now comes in manga form!

Well, I was reincarnated! And my father is a former hero? And my mother is a queen of the spirits!? With my knowledge of my past life and my powers in this world... I'll protect my family's happiness!

Healing magicians cannot fight alone.’ Keare, who was bound by this common knowledge, was exploited again and again by others.
But one day, he noticed what lay beyond healing magic, and was convinced that a healing magician was the strongest class. However, by the time he realized that potential, he was deprived of everything. Thus, he used healing magic on the world itself to go back four years, deciding to redo everything.
This is a heroic tale of one healing magician who became the strongest by using knowledge from his past life and healing magic.

She worked herself to death in her past life, but then she was reborn in another world as the villainess Ronia! As expected, her engagement is broken and she's expelled from society, but now she takes that chance to live peacefully, and even opens a cafe with the help of her fairy comrades, which is becoming unexpectedly popular with beast-kin...?

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/

Komine is an ordinary grade-school kid who is at the top of his class. And for good reason - after dying, this is actually his second run at life. Knowing everything from upcoming class subjects to future events, Komine naturally excels at whatever he does.

…and then there’s Sarara Miyano, Komine’s classmate. The last time he was in school, he was despised by her because of some foolish actions he took in the past. But now that he’s mentally older and wiser, maybe he can turn things around?

In middle school, Konoha Satou dreamed of escaping into a world like that of Dark History, a romantic fantasy novel she wrote telling the story of the count's daughter Konoha Magnolia and the knight she falls in love with. Years later, her mother rediscovers that novel - only for Konoha to get hit in a traffic accident and die!

When she opens her eyes, she finds herself in the world of her own creation as the heroine's younger sister, Iana Magnolia. Somehow, she's been reborn as the character she created to be the greatest villainess of all time?!

Ghost-seeing School Boys oneshot included in volume 1 as chapter 3.5

One day, Taro Yamada, who runs a detective business, slips on a banana peel and reincarnates into Tsukushi Shikizaki, the younger brother of three beautiful big breasted sisters who will all die on the same day. As he spends time surrounded by the three beautiful sisters, he finds out that the boy he is reincarnated as will be killed by one of the three sisters ...!?

“Let’s start a strategy meeting for making friends.”

This is a story about her and me. It’s the worst and the best second-life high school rom-com ever.

Love, friendship, and the sparkling joys of youth. The high school life that I’ve looked forward to- still ended with me being alone. Then, just a day before the graduation ceremony…

“Don’t die! Nanamura-kun!”

Sora Hanamitsuji, she’s a beautiful girl that even models can’t compare to. My life ended after getting hit by a truck to protect her. …That should’ve been the case.

“It must be because the gods got bored.”

However, with this accident, Hanamitsuji-san and I returned to the day of our high school’s entrance ceremony. The second high school life is no longer as charming and youthful. I was going to spend it modestly and alone. …But, she said that won’t do.

“Well, I’ll help you make friends.”

This is a story about my second high school life. It’s the worst and best teenage rom-com ever.

The mom characters who appear in the game MamaFan are all unfortunate sub-heroines who always get bad ending routes. “Why... Why do such cute moms have to die?!”. Even though the protagonist tried very hard to request a route where they get saved, all of his efforts were in vain, making him spend his days in frustration. Then on a certain day, he suddenly gets reincarnated into the world of MamaFan... However, he gets reincarnated as a villainous aristocrat who's got nothing but the worst routes. This guy, who's crazy about mom characters — his fulfilling days of saving his beloved mom characters and his journey to create his harem full of plump women are about to begin!

There was a mage called ‘The Lone Demon King’ at the frontier.
He was just a creature that never grew old, but he was loved by the villagers as something of a guardian deity.
However, he was destroyed by a magic organization that sees his existence as dangerous.
200 years later, he is reincarnated as the second son of an aristocrat and obtains the strongest magic power.
“Let’s pretend to be a human this time”
However, being a human lover, he didn’t particularly think of revenge and has decided to pretend to be human in this life.
In his past life, he was the guardian deity of a region, and in this life, he’s a local aristocrat, but he does not know common sense. He doesn’t know how to take it easy.
As the second son of an aristocrat, he is loved by his family and friends, and while he is regarded as a master of magic in the magic guild, he becomes an ‘Immortal Mage’ behind the scenes.

Webnovel Raw: https://ncode.syosetu.com/n9450fl/

This the long tale of a reincarnated elf who become a living legend!

After his ordinary life came to an end in an accident, Minoru was reincarnated as an elf who have a average lifespan of 1000 years. Due to the regret of not being able to do anything in his previous life, he decided to leave his village and travel in this life to leave behind evidence that he once lived in this world. However, the head of the elf clan imposes a certain trial—?!

A man is stabbed by a robber on the run after pushing his coworker and his coworker's new fiance out of the way. As he lays dying, bleeding on the ground, he hears a voice. This voice is strange and interprets his dying regret of being a virgin by giving him the [Great Sage] unique skill! Is he being made fun of?

The weakest demon (slime) who longed to be human is reincarnated as a saint, but with the worst character of all, a villainous noble girl. From the lowest status, hated and resented; an existence where she will be terminated immediately if her true identity as a slime is discovered, she will become a beloved saint in order to live a safe and secure life!

Sansui died and was taken to god, where he explains that due to his mistake he killed Sansui, and as an apologize god said that he would reincarnate him in another world with the power he desires. Sansui desire to be the strongest in the world, but soon realizes that his desire may be the most difficult test of his life.

A fantasy story about Kiska, a boy who is mistreated by the villagers. He manages to survive thanks to his childhood friend Namia, who was the only one by his side. One day, Namia is murdered by three men, and Kiska is accused of the crime and banished to an inescapable class S dungeon. However, he finds himself in a different world where he can use "Save and Reset" to get back on his feet no matter how many times he dies. The story is about Kiska's quest for revenge against those who wronged him and his friend

Zechs has a younger sister. Her name is Caron, and he loves her very much. However, if things continue as they are, she will die an untimely death. This world is the same as the RPG romance game he played in his previous life where Caron is destined to die in every route. There was no way Zechs would allow his beloved sister to die so cruelly - that's why he'll resist fate to the bitter end!

Original Web Novel: https://ncode.syosetu.com/n5205hi/