Shinozaki is just an ordinary, everyday office worker burdened by the very normal worry that he might be a bit "off his head."

One day, he's approached by a strange woman named Yuuyake who proceeds to explain that her magician grandmother had long ago enchanted his body… causing him to have a lot of internal machinery?! Apparently, he has to start receiving regular maintenance to stop himself from falling apart…

With that, the slightly wobbly magical remodeling life featuring the very ordinary salaryman Shinozaki and the enigmatic magician Yuuyake abruptly begins.

Rika is a new shy student at her new school. She’s always had troubles making friends because of her personality. Her past best-friend, Mirai, encourages her to change before she moves to the new school. Will Rika be able to gather some courage to change herself and make new friends?

As the middle child who is neither the heir nor the cherished younger twins, Karina has lived her whole life hidden away from others. She, who only had one hobby of painting, found out that she only had one year left to live.

So without a plan, she went to visit her fiancé who she barely knew… To annul the engagement as he always wanted.

"I won’t beat around the bush. I want to spend a year here."

"....My Lady, have you gone crazy?”

"In return, I'll agree to annul the engagement."

But, she didn’t know then. That she would receive the unconditional love that she had never received her whole life from him, and that she would come to have a desire to live her once meaningless life.

For as long as she's been aware, the heroine, without a single relative, lived under the care of the state. Both of her parents' faces were unknown to her.

In front of this heroine, a boy appeared.

The boy's name was "Hikaru." It appeared that he was the heroine's twin brother, separated at birth. He had a proposal for the heroine: "Could you go to school in my place?"

The heroine was shocked by this crazy suggestion.

Furthermore this was an all-boys schoolthe only high school in the prefecture for delinquents.

I was reincarnated as a villainess from an otome game I was playing.
At this rate,I'll be exiled for being in the heroine’s way of conquering love.
However, in this world... there are no entertainment materials!
No doujinshis, no otome games, no smartphone! I'm really bored! Of course, I should be avoiding the destructive bad end… but before that I’m going to die from boredom!
"If there's no entertainment, just create it!"
Using the knowledge from my past life to create toys and romance novels, I'll make this boring world fun!
After becoming the queen’s favorite entrepreneur, I thought this scenario change will bring me to my wonderful future…...but now the novel I wrote has brought me to the destruction flag--!?

She properly held onto the star spoon and became the No.1 Ranker
She is Korea’s first S-rank Awakened, and ranked third in the world’s rankings

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.

“Be quiet. Shut up and live like the dead”

Ebony Vonieck is a convicted felon for the murder of her fiance and father. While waiting for her execution in prison, she is suddenly released from her hell when she is informed that the Archduke of Schneider Castle is waiting for her. Expecting her life to become a living hell, what awaits her instead is a household of warm employees and servants. Ebony has no idea that the Archduke will help change her life.

She was in possession of an “Extra 1”, who married the criminal and died in a violent manner. I don’t think I need to get married. I proposed to another man, ran away from home, and did all sorts of other things.

“So marry me, Evangeline Clauda.”

Five years of possession's life, three weeks before entering the original! In the end, she was proposed to the criminal.
Am I… is this really a doomed ending?

The more I twist the original, the closer I get to the original?! Will she be able to safely protect her life and love and face happiness?

I reincarnated into the world of an otome game as the villainess, “Ophelia.” I thought I'd be able to enjoy a peaceful school life, but to my dismay, I found myself subjected to constant harassment at the hands of the wicked, vindictive heroine; and to top it all off, I’m plunging headlong into the dreaded Bad Ending — hold up, as if I’d meekly submit to such a fate! If that’s how it’s going to be, I’ll tap into the top secret "cheats" known only to those who've played the game and carve out the 'Villainess Route' of my fantasies!! But for some unfathomable reason, the capture targets seem to be doting on me far more aggressively than in the original story…?
Original Web Novel: https://ncode.syosetu.com/n0411fu/

After the gods dropped her in the world of her favorite fantasy romance novel, Lithera was quick to realize that happily-ever-afters were never easy to get. Given another shot at happiness, she is now determined to avoid the mistakes of her previous life, starting by meeting the sweet and caring Grand Duke she spent years exchanging letters with… Another typical female lead, with another typical Duke, promised to wed. Will this story go the typical path we all expect?

Mizuha is in a one-sided love with a college student named Ren. Mizuha's whole world revolves around him until she meets, Chiaki, a guy sitting next to her who is a pudding-loving weirdo, who freaks out whenever someone insults pudding. Ever since Mizuha refused Chiaki's pudding, he has been trying to give her some each time he sees her.

Sana, the daughter of an item shop in a corner of the castle town, went out to the forest to pick medicinal herbs as usual in order to make recovery potions for the store's products. There, Sana picks up her mysterious book.
Because she read the strategy book, the daughter of the item shop, who shouldn't have anything to do with the story, is greatly involved in the story of the game!
Another world romantic comedy adventure fantasy!

For Paula, not a single day passed by without a reminder of her ugliness. But it was her hideous face that spared her from being sold to a brothel or dying tragically like her sisters. So when Paula's father sells her off to work at an esteemed nobleman's mansion, she realizes that peasant girls are a disposable resource. However, she finds the young Count Belunita tucked away in an annex, shamefully hidden from the curious eyes of the public. And as Paula struggles to appeal to her tyrannical master's whims, she must also embrace her role as his secret maid.

Mako, a home centre sales clerk, fell asleep at the entrance of her house after her shift due to work fatigue. Only to wake up in a different world?! She was at a complete loss when the beastmen twins gave her shelter from the storm in their house in the village. However, it was a very poor village with tattered houses and no crops. In order to help her lifesavers, Mako decides to revitalize the village using the cheat skills unique to the home improvement clerk, obtained in a different world!

The comedy manga follows a male part-time late-night convenience store worker named Matsukoma, and the new part-time worker he trains named Tomoharu Nii, nicknamed Nietzsche-sensei. Tomoharu is a university student in the school's Buddhism department. When an angry customer screams at Tomoharu, "Customers are gods!," he replies, "God is dead." The manga follows the part-time worker life of Matsukoma and Tomoharu, the latter of whom continuously baffles his customers and co-workers at the convenience store with his odd ways.[ANN]

Uesugi-kun is a boy who's as petite and cute as a girl. He has a crush on a girl he's known since childhood, but overheard her saying, "Wouldn't Uesugi be totally adorable if he was a girl?!" Uesugi-kun's not as tall as his other childhood friend, Eito, nor is he as good at studies, and now he's suffering from a broken heart. A depressed Uesugi-kun stops by a shrine while running an errand and makes a wish... A love-triangle romantic comedy featuring an overly cute, and now female, protagonist begins!

Love Momozono is a 14-year-old student at Yotsuba Junior Highschool that tends to care more for others than for herself. One day she visits a show of the famous dance unit "Trinity" and decides to become a dancer, too. On the same event, subordinates of the Labyrinth Kingdom show up who want to collect the unhappiness of the audience. Love gets the power to change into Cure Peach and fights them. Soon after, she is joined by her good friends Miki, who is Cure Berry, and Inori, who becomes Cure Pine.

Reo is tomboy Aiko's rival, and Ai strives to beat him in everything - like basketball and popularity - but her efforts always fail with Reo always coming out on top. Then one day, she sees her break come through: her brother offers her a job at his maid cafe! But how will tomboy Ai ever be able to pass off as a cute maid? With a wig and a bit of makeup, this becomes possible. She's so much of a different person, even Reo doesn't recognize her! But things start becoming strange when Reo shows interest in her, asking out "Mai" on a date. Ai agrees, with plans in mind to get him to fall in love with her so she can later dump him. Will Ai finally win over Reo, or will her plan backfire just like her many others?

Even though the harsh reality feels like living as a beggar, to think that the end would be death from overworking!
If it’s going to end like this, I should’ve been in a lot of relationships, but wait,
oh my... who are you in the mirror?

I’m a little flustered but this body… it’s really pretty!
It feels like I’ve been transmigrated into a romance fantasy novel.
Since I’m already like this, should I enjoy the romance while I’m at it?

“But which novel did I get transmigrated into?”

I’ve read dozens of books where the ‘Northern Duke’ and ‘Childhood Friends’ exist,
I’ve read so many with a black-haired male lead and a blonde female lead,
Ah~ I don’t know!! For now, let’s start by conquering the male characters!

“I already have a promised marriage."

“I volunteered for the Western Guard. We won’t be able to meet for several years.”
What is this, is this really a romance fantasy novel? Why is everyone running away?!
In the first place… was I really transmigrated as the female lead?

What kind of novel is this!!!!