In the winter of three years ago, the first locked room mu*der in Japanese history was committed.... more>>

All of the evidence pointed to the defendant. It was certain they were guilty. And yet, they were found innocent and released. Why? Because the crime scene was a perfect locked room no one from the police or the prosecutor's office could solve.

"Since the room was locked, it was impossible for the defendant to have committed the mu*der. It's no different than if they had a perfect alibi." That was the argument of the defense, and that was the argument the judge sided with.

The ruling sent a ripple throughout Japanese society. No matter how suspicious you were or how much evidence you left behind, as long as you managed to create a locked room that no one could solve, you were immune from prosecution. With the common anti-mystery fiction talking point "there's no reason anyone would ever actually commit a locked room mu*der" completely overturned, the rate of locked room mu*ders in Japan skyrocketed.

When the police proved unable to deal with the surge of locked room crime, the Ministry of Justice published an official categorization of all known locked room tricks as an investigative aid. When that proved insufficient, Division Zero of the Tokyo Metropolitan Police Department, a police division dedicated solely to solving locked rooms, was created. When that still proved insufficient, locked room detectives, private investigators specializing in locked rooms, were officially licensed by the state and authorized to participate in police investigations. Calling a locked room appraiser, someone specializing in searching buildings for secret passages, is now a common first step in criminal investigations.

On the other side of the spectrum, locked room agents, assassins and crime planners specializing in locked room mu*ders, have become some of the most notorious criminals in Japanese history, and even a cult worshiping the scenes of locked rooms as a way to purify the souls of the deceased has made rapid inroads into Japan.

The protagonist, Kasumi Kuzushiro, is an introverted, somewhat cynical high school student who loves mysteries. Kasumi often finds himself dragged along on bizarre journeys by his flighty childhood friend, Yozuki Asahina. Due to their staggeringly bad luck, these trips often leave them in the wrong place at the wrong time to be caught up in locked room mysteries. Fortunately, another of Kasumi's childhood friends, Shitsuri Mitsumura, is the greatest locked room expert in the world, and can always discover the truth.

Hm? How did a high school girl become the greatest locked room expert in the world?

It's simple.

She's...

Volume 1 was the grand prize winner of the 2022 This Mystery Is Amazing! awards. <<less

Khalil Dicaman... more>>

At a young age, he became the head of the Dickerman count family, which has prospered through the development and research of magical potions. He spends his days researching to create a cure for a disease that is spreading in his fiancée’s territory.

But he is not on good terms with his fiancée.

The former heads of the family agreed to this engagement in order to find a cure, but no cure has been discovered, and the disease is still raging…

In order to win her recognition, he devoted himself to his research without sleep.

But…

(This memories…?!)

He had a tea party with his fiancée once every few months, and when he saw her face there, looking bored, he remembered.

(I’m the villain? Called Count Jealous?) <<less

"Are you telling me I need to join the academy?"... more>>

Lucius ascended to the position of Fifth Elder of the Demon World at the age of less than 80 years.

One day, he receives an order from the Demon King.

"Because the Fifth Elder is so capable, I'd like you to take advantage of this opportunity to mentor a promising student. How is it?”

The shocking news is that he, the elder of the demon world, is being told to go to the academy with the new freshmen!

It was also an order with the strong requirement that his identity not be exposed.

Lucius was obliged to enroll in the academy with no chance of being rejected.

'In a year's time...'

Will Lucius graduate safely without his true identity being revealed? <<less

As the dean of the National Institute of Genetics, Ji Shiqing has taken over the institute since he was 25 years old. He held absolute power, excluding his colleagues and taking credit for the research results of other researchers, which eventually led to a rebellious and despised situation.... more>>

He died in the winter of the Empire’s year 1202 at the age of 31. It was only after his death that people came to know about the various illnesses and suffering he endured throughout those years. He single-handedly withstood the pressure and defamation from the Senate and developed the S305 drug, capable of curing genetic diseases.

On the day of his burial, ten thousand people came to pay their respects, but he will never return.

The anti-fans who had criticized Ji Shiqing went back in time to 1201, just after Ji Shiqing had celebrated his 30th birthday. He had nothing left, but still faced the three-way pressure from the Senate, political enemies, and the public, and was determined to complete…

Now that everything has started over again, is there still a possibility to redeem everything? <<less

I, Arx Fort, is a reincarnated person.
Therefore, I knew that this world was the world of "Celestia Kingdom," a popular otome game in my former world.... more>>

At first, I thought I was a nameless mob, but it turns out that I am actually a childhood friend of the most fearsome last boss

If the knowledge from my previous life is correct, won't she fall into the darkness upon my death?

I managed to become the strongest and avoid a bad ending.

But something was wrong with her....

"Hey, why don't you look at me...?" <<less

Obsessed with thoughts of you, my soul wanders and my dreams are filled with you, day and night.

One day, I, Louie Aldehyde... more>>

I was reincarnated in the world of Otome games, also known as “Arurei”.

I became the butler of the main character of the game.

It’s good that I became a butler, but —-

“Hey, Louie? Why did you cheat on me? Why, why, why, why, why, why—-“

Yeah —- how did this happen? <<less

“What’s going on? I’ve been reincarnated. ?”... more>>

I was immensely surprised to see a boy with nasty looking eyes reflected in a full-length mirror.

It was because he looked just like the villainous nobleman Cain, the pathetic underdog who is killed when his fiancee is stolen by the hero Abel in the game “Apocalypse”.

Moreover, the heroine who was stolen by the hero was Selvia, the heroine I liked the most in the game.

Damn it!　If I don’t do something, the heroine whom I’m most attracted to will be stolen away and thawn away by a pick-up hero. I absolutely cannot let that happen.

I decided to destroy the game’s storyline and try to achieve a happy future with Selvia.

I’ve played this game all the way through, I should be able to do it!

This is the story of a main character who was reincarnated as a lazy villainous aristocrat, but with [game knowledge x hard work], before he knows it, he ends up surpassing the game’s hero <<less

Suddenly, he remembered that he was transmigrated.... more>>

So he immediately decided to go crawl into the bed of his wife.

It seems that in this world, there is no such thing as eroticism or interc**rse between men and women or husband and wife, It’s only the act for reproduction purposes. As a lord, he uses his knowledge of his previous life to repeatedly fight his way to the top with the bed. <<less

When I woke up, I found myself in an unknown place and time, with amnesia... more>>

In a different world where magic is based on music, I was picked up by a princess who is a first-class pianist and beautiful in appearance, and I was made the princess's personal butler and a student at the magic school.

I'm the princess's butler and a student at the magic school, and I also have other duties...

I'm constantly faced with a series of challenges, and all I can do is let out a sigh every day, but I manage somehow, with a cup of coffee in my hand. <<less

It tells the story of a young boy who forms a contract with a troublesome goddess and their journey of love and battles.... more>>

In a time long ago, there was an era where beautiful goddesses fiercely competed for the throne of world rulers. At some point, the goddesses with fangs, disguising themselves with the facade of love, began to peacefully guard the human world.

A young boy named Soujou Shouma, encounters and falls in love with a goddess who secretly came to the human world. After making a promise to meet again someday, he works hard to grow and become a man worthy of the goddess. As a schoolboy, he is appointed as the president of a company.

However, in the modern era, abnormalities occur in the divine realm of the goddesses, known as the Heavenly Realm. The uncontrollable goddesses engage in violent battles reminiscent of ancient times to decide the next creator god – the ruler of the Heavenly Realm. This conflict’s flames even spread to the human world.

Upon learning of this, Shouma, in order to fulfill his first love and protect world peace, decides to utilize his company in a special way for the goddesses. He teams up with one of the strongest goddesses, Elvina, who shares his interests, and as the company’s president, joins the battles! <<less

A fantasy novel in which the Demon King and his entourage leave the Demon King’s castle and go for a walk.... more>>

The theme is the strongest protagonist.

As expected, Demon King! ! Demon King is the strongest! ! <<less

Alto was raised as a butler in the Rubedo family and grew up alongside his childhood friend, Miss Wendy. He studied tirelessly to repay their kindness, excelling as a butler by honing his swordsmanship, developing magic, and creating his own practical spells for daily life. However, Wendy's tyrannical personality gradually began to torment Alto.... more>>

One day, exhausted and on the verge of collapse, Alto was expelled by the head of the household. "You useless fool who can't even take care of my daughter, leave immediately."

In order to survive, Alto took on requests from other nobles and was picked up by the Isfeel family, the Duke's household, using his original magic spells he developed: [Laundry], [Bed], and [Bath]. There, he becomes adored by the Ice Lady...

Furthermore, Alto realizes that the work he thought was ordinary turned out to be something extraordinary. Unconsciously excelling in various tasks, Alto ventures into business and gradually makes his presence known to those around him. <<less

Meet my young lady, a haughty and selfish person with an insufferable pride. Despite being my benefactor, she often directs her anger towards me, and... more>> I've suffered countless beatings from her. Recently, she was outraged after losing her fiancé, a prince, to a transfer student who just arrived. I wanted revenge, but... my lady turned out to be surprisingly easy to manipulate! This is the story of how I trained and fulfilled my desires with my lady, while also making her happy. <<less

One day I remembered that I was transmigated in a gal game , in a way, a s*ave to love.... more>>

I must face hardships selflessly, all in order to be united with the heroine.

With this in mind, Riku Tachibana realizes on a day that he is the protagonist of a gal game.

To avoid living his life as the protagonist, he decides not to engage with the heroines, but the heroines have memories of being captured... <<less

I went to bed after completing the blockbuster eroge game that had become a trending topic in the past few days. When I woke up, I noticed something was different. Somehow, and for some reason, I got reincarnated in the initial stage of the same game that I was playing before.... more>>

The most concerning part was my character. I was playing the role of a character who challenges the hero and gets defeated. In addition, all the routes of this particular character have been confirmed death.

I got reincarnated as an underdog, and the situation is even worse, because someone has already defeated me in a duel. I can’t escape death anymore. But I won’t give up. I have the knowledge of the eroge game that I had cleared in my previous life. I will make full use of it and try to survive.

This is a story about our hero who got reincarnated as an eroge underdog character, and is trying his hardest to survive. <<less

One day, Prince Redmond—Lumiere’s fiancé, a duke’s daughter—suddenly became a yandere.... more>>

For a long time now, he’d tend to his business as a proper gentleman. Their relationship was more similar to that of business partners…

…However, that came to an end when he suddenly whispered sweet nothings to her.

“You only need to remain within my sight. Don’t you like it as well? Lumiere, you belong only to me.”

(Gross—!)

Nevertheless, he was His Highness the Crown Prince, a man with a promising future. Lumiere, who had no power to veto, took a desperate measure.

“Alright, I shall pretend to be the type of woman he loaths the most to incite his ire!”

Be it a white marriage or an annulment—she was prepared for them! She’d absolutely escape from that yandere!

…Even though she was willing to risk dying, for some reason, His Highness began to dote on her even more! Moreover, the other male aristocrats also transformed into yandere and surrounded Lumiere!?

If left as it is, the country might fall into ruin because of these yandere—!?

Hey, Silver, stop laughing and help me out!

The story of a villainess who struggled to triumph over yandere for the sake of fulfilling her dream, along with her loyal butler—Silver, a skirt-chaser? <<less

In the horror game "Love in Horror",
‘Luda’ possessed a ‘sacrifice’.
I have to survive while avoiding the 'ghosts'...…!... more>>

[‘Hell Mode’ is automatically selected.]

A hell mode that I didn't know when I was playing the game opens.
Not only that,

[After surviving the haunted night, achieve the conditions for the true ending!]

A sudden true ending?

Luda wanted to escape the game.
Eventually, she decided to attack the male leads and see the end.

[Yulian's favorability increases.]
[Theo's favorability increases.]
[Esteban's favorability increases.]

Will she solve the secrets of the cursed Heilik Mansion?
Can she achieve the true ending and escape the game?

“Are you scared?
In that case, I will go with you.” <<less

"The Villainous Heir Whose Likability Soars the More His True Nature Is Revealed"... more>>

Sieghardt, due to his father's criminal actions, had acquired the infamous nickname of the "Villainous Heir." His reputation plummeted further as his daily actions seemed to confirm this persona. Unable to change his behavior, he decided to stick to his convictions. However, the recent incident became a turning point, and it became evident to those he contacted that he was actually a sincere, somewhat incompetent, and good-hearted person. <<less

Abandoned on a deserted island with the villainous young lady.

“Too soft, Princess Cler.”... more>>

Roht, a genius mage who wields the world’s strongest defensive magic, is the devoted butler and guardian of the world’s cutest and airheaded princess, Cler. Daily, he takes care of her, cherishing her adorable reactions while dealing with her affectionate but sharp tongue. One day, they receive a request to protect the national treasure, the “Magic Key.” As they embark on resolving this matter, it gradually leads them into a major event that shakes the fate of the country and their own destinies.”My butler will definitely protect me, right?

“The tale of the strongest and cutest princess, Cler, and her poison-tongued but all-purpose devoted butler, Roht, begins! <<less

When he regained consciousness he was already in another world. There was no meeting with a God, no cheat skills, just a sudden reincarnation. There was no time to find his bearings either, he was in a life-or-death trouble from the start that would somehow result in being employed as a valet to a vain youngster from an aristocratic family.... more>>

He would, in time, discover an astonishing truth about this new world and vow to fight it with all his might to protect the people important to him. No matter how reckless that would be. <<less

Rihannan Alessin, a queen rotting in prison.... more>>

Despaired and without hope, she drank poison and died. But… unbeknownst to her, the deity gave her a second chance at life. She was twelve again. And this time, she would live life differently.

Six years later, she chooses to become Arundell’s queen…

“If you’re asking me to step down from the marriage proposal, I can’t.”

“Marry me and let us divorce after a year.”

And this time, the time limit of their marriage would last a year.

A husband she knew who was different than before… she tried not to love him again, but each time, her heart kept shaking. <<less

Ye Muo found himself transmigrated into an interstellar world, becoming the illegitimate son of one of the Empire’s minor noble families. With average psychic power and physical capabilities, his sole standout feature was his remarkable appearance. In a society saturated with nobles, he could only walk with his tail between his legs, constantly aware of his lower status.... more>>

However, during a highly anticipated battle simulation among the military academies, Ye Muo astounded all the onlookers by achieving psychic power resonance with none other than the Emperor himself, seated high upon the judging platform.

As was common knowledge, only those with a direct blood relationship could enter such a state.

Ye Muo’s irises trembled like there was no tomorrow.

That very emperor was the tyrant who slaughtered his entire family during his ascension to the throne.

The lunatic who claimed this sinful bloodline would end with his generation.

***

The Grantz, a clan of lunatics with the most prestegious of bloodlines. Aloofness was their characteristic, insanity their fate. Hidden under their glorious, millennia-long rule were innumerable sins. Virtually none of their members met a good end.

Their tragic lineage was finally extinguished by the infamous mad emperor, Norton Grantz.

Norton Grantz was thus referred to as The Last Grantz.

Until his beloved son, Xavier Grantz appeared.

Xavier, meaning you are my supreme treasure. <<less