After losing his parents, he yearns to become a Knight, the poor boy Wynn Byrd diligently trained himself. However, it was hopeless for him to become a Knight, because his magical power was too low, he can't pass the Knight examination so he was labeled with the unpleasant title of 『Eternal Knight Cadet』.... more>>

But one day the Brave defeated the Demon King and saved the world. The Brave was a peerless beauty and she gained attention from the entire world. However, the Brave declared to the world. 「I will return to my Master's (Teacher) side, Wynn Byrd.」 This is the story about a boy who somehow changed his class from 『Eternal Knight Cadet』 to 『Brave's Master』. <<less

The Lord of Soltielie, Chris von Vahly, was a beautiful young man known as the “nobleman among noblemen” in his social circles, a perfect human being to anyone who saw him for his contributions to his territory’s development and his excellence from a young age.... more>>

However, Chris also had a huge secret: she was a girl forced to hide her true gender due to unavoidable circumstances.

Such a Lord disguised as a man decided to marry a certain barony’s daughter because of that.

Though Chris thought she would be fine with any reasonable partner, she finds herself gradually changing because of his wife’s sunny disposition. <<less

A compilation of conversations between characters starring in Common Sense of Duke’s Daughter.... more>>

It’s an omake or spin-off made by Author of the series for celebration reaching more than 50 chapters. The stories unrelated to the main plot. <<less

Ryouma Takuma, a 39 year-old man with a hidden past, finds himself in a strange white room. There the gods tell him that he has... more>> died and that they are sending his soul to a different world; a world where magic exists. After living alone for three years his gamer soul loses common sense and starts toward crazy routes. <<less

The letter an alien with a plan of invading Earth and the mail a foreign student who had been to Japan to send to his... more>> friend were mixed up and things became strange. <<less

The Mail a certain woman sent to her lover and the report that an alien with the plan of invading Earth had written got mixed... more>> up and became strange <<less

The Magical Princess Twin Saints continue their battle against the mysterious organization Graudia that plots to destroy the world. Feeling a strange magical reaction for... more>> several days, the two heroines track it back to an abandoned factory on the edge of town where a dark shadow awaits them inside. Little do they know that endless days of obscene training await them… <<less

Ray, the leader of the Magic Division, is a handsome young man, but his overwhelming popularity has kept him from getting married. One day, when his parents persuade him to go to an arranged marriage meeting, he meets Bridget, an auditor. She had broken off her engagements twice in the past and had given up on marriage to devote herself to her work.... more>>

To fend off pressure from their parents to marry, they both decide to enter into a contract marriage. But as they live together, they start to enjoy each other’s company… <<less

Even though I’m just a commoner attending this prestigious magic academy, for some reason the school’s top prodigy is fixated on me. A man with... more>> such an esteemed noble pedigree and beautiful looks – really, someone like this shouldn’t be interested in me. That sort of couples’ sugary sweet, mushy talk… Please, I’m begging you! Start this sensual love affair with someone else! <<less

Zeff Einstein spent his whole life mastering red magic and was finally recognized for it, yet a new spell that was soon created revealed that... more>> his talent for red magic was his lowest. Bitter at the thought of all his wasted effort, he creates a spell to send his old self back in time to his younger body and together with the determined “genius” mage Milly and the handsome swordswoman Claude, he intends to master magic more efficiently this time. <<less

Emily is a tomboy. She runs with a machine gun to destroy the enemy. ... more>>

I found her beautiful and I fell in love with her. We were united, but we soon drifted apart.

I did not give up on seeing her again, but I wanted her to live for me. I wanted her to live with the baby that would surely be born――. <<less

“Macho, won’t anyone buy a macho?”... more>>

Leading along several machos, a single young girl tossed out some dangerous words to the town residents passing by.

The macho seller.

On that sudden statement of human trafficking, the townsfolks’ eyes opened wide as they gazed at the girl.

“Macho, does anyone need a lively macho? You can boil and bake them, and if it really comes down to it, they can even serve as bodyguards. Does anyone need such a wonderful macho?” <<less

"You are God's chosen Saint. Find a good companion and bear a child. Then the child will awaken as a Hero and save this world from crisis."... more>>

Justine, the Duke's daughter who had received such an Oracle from God, was exiled to the frontier after being framed as "A false saint who deceived the royal family" by the Crown Prince Diaz and told that their engagement was cancelled.
A few years later, however, she was called back to the Royal Capital for the convenience of the country and reunited with her ex-fiancée, Diaz.
Justine quietly became enraged and frustrated, and came up with a way to get revenge. <<less

Everyone knows that mountains are stronger than people! Then, it is natural that the strongest mountain is stronger than the strongest human!? This is the... more>> story of being reincarnated into a mountain on Earth 4.6 billion years ago, having to overcome giant meteorite impacts and global freezing, watching the rise and fall of the dinosaurs, using a "mysterious power" to distribute magic to living things and thus create dwarfs, elves, and beastmen, and then reigning as a sacred peak throughout history. <<less

…… I thought we were friends……♡ (And then I peeped into her room with astral projection.)

Dia was the daughter of a duke who grew up in the Royal Palace after losing her family.... more>>

Upon being told by her fiancé, the First Prince, that their engagement had been annulled, she soon found out—

—that at an approaching ball being held in a few days, she would be killed by none other than her loved ones.

This was a story set at the Royal Palace of a kingdom with everlasting night. A tale concerning Dia, who had lived a sheltered life alone. A story about her trying to painfully persist until the end, despite the heartlessness of her loved ones—

—and also a story about a beautiful, but also merciless King of the Night, who was aware of Dia’s predicament. It is a tale weaved around these two people. <<less

Tsukimiya Kuuga, who had the ability to see through people, used it to live a happy life while surrounded by his friends. One day, he... more>> woke up in an unfamiliar place and realized that he had turned into a beast. Kuuga, who understood human words but was unable to talk, ended up taking a part in a strange ritual―― <<less

"―Hey Kakeru, will you be my boyfriend?"... more>>

Kakeru is summoned to the rooftop by his school idol, Arisugawa Mirei, who suddenly asks him to become her boyfriend.
Naturally, Kakeru is perplexed.

However, Mirei wants Kakeru to become a fake boyfriend in order to keep the boys away from her.

The only person she can trust is her cousin Kakeru, whom she has been close to for a long time.
Although he has his own feelings about it, Kakeru can't ignore the fact that his cousin is in trouble, and chooses to become her lover.

―However, Kakeru had no idea.
That this relationship will make them more than just cousins. <<less

The tavern owner's son, Ilya, often experienced the same dream. A dream in which he played in the village orphanage with his childhood friend, a... more>> boy whose appearance resembled an angel’s. A dream where he made soap with olives and soup with leftover vegetables. But the moment Ilya laid eyes on the picture of the “Icy Hero,” he realized that those dreams weren’t dreams at all; rather those were the memories of his past life. Most importantly, that “Icy Hero,” Riley, wasn’t angelic anymore?! <<less

Sylvia Skyrose, daughter of the Duke of Skyrose, could not stand to let a commoner who can only use rare magic attend the Royal Magic Academy alongside her. “I, Sylvia Skyrose, will be honest with you: there is no place for you in this time-honored Royal Magic Academy! You should leave at once!” She had thought that the words of such a high-ranking noblewoman would convince the commoner to do just that but–... more>>

“Lady Sylvia, please be my Mistress!”

“Mi-Mistress?”

“I will do anything for you if you become my mistress.”

This is the story of a Duke’s daughter who ends up swayed by a Heroine who wants to be oppressed by her noble and proud Mistress. <<less

When I reincarnated, I was the villainous daughter, Viara.
Why a villain?!! I don't want to die!... more>>

Let's hand over the s*upid good-looking prince to the heroine.
With enough money to buy a castle, I don't need him!

That's what I thought....
The heroine unexpectedly abandoned the story. She didn't even enter the Academy!!

"What is a villainous lady without a heroine?"

There is no heroine, but that doesn't mean the death flag disappeared.
What do you mean by that?!

The engagement was supposed to end in a peaceful way.
But the prince is a womanizer and I won't tolerate that!

My father adopted something for me... A mage that acts like a guardian dog?
A watchdog mage and a villainous daughter.

"How did this happen?! "

It's a romantic comedy. <<less

After clearing an erot*c RPG and selecting the new game+ option as usual, I found myself within the game. The erot*c game? Did it become... more>> reality? Moreover, due to choosing the female protagonist, my body is now that of a woman. There’s nothing left but to try out various things. Despite having reached the maximum level and completly possessing all magic and items, I intentionally get pushed down. Thus begins a playthrough driven by lust. <<less

The hope of humanity.... more>>

The savior destined to rescue a world on the brink of destruction by the Demon King.

There was a girl known as the "Hero."

She fought diligently to save humanity, defeated the Four Heavenly Kings of the Demon King's army, and was on the verge of slaying the Demon King himself.

However, in the final battle, the Hero was defeated by the Demon King, plunging humanity back into the abyss.

In a certain rural village lived a boy named "Allan," who was the childhood friend of the girl hailed as the Hero.

Vowing revenge against the Demon King who took his precious childhood friend, Allan, despite having no special talents, honed an extraordinary sword technique through sheer effort, and finally avenges her by clashing blades with the Demon King, who had been severely injured in the battle with the Hero.

However, even after avenging her, she does not return.

Consumed by sorrow and loss, Alan loses his life. . . . . .and finds himself back in time, before his childhood friend was taken to the battlefield as the Hero.

Having witnessed a future of despair, Alan vows.

With the power he gained for the sake of revenge, this time, he will protect his dear childhood friend until the end. <<less

Who is the Hero and who is the ○○?... more>>

You know what it is.

I [the original author] wrote this in my spare time, so it's a bit of a mess.

Please forgive me. <<less

It has been about a thousand years since the war between the humans and the demons began.... more>>

The humans have entrusted their hope and survival to individuals called "Heroes", while the demons seek to overrun them under the guidance of the Demon King.

On this day, the newest Hero arrives at the Demon King's castle. But she has a secret deep in her heart. <<less