A girl who grew up as the granddaughter of a yakuza family was reincarnated in a otome game, where the early modern mafia makes a secret move. She was the beloved daughter of the five major families that support the monarchy from behind the scenes! A dangerous love game between a former gangster's granddaughter and a villainous fiancé begins!

From ANN:

Guts, known as the Black Swordsman, seeks sanctuary from the demonic forces attracted to him and his woman because of a demonic mark on their necks, and also vengeance against the man who branded him as an unholy sacrifice. Aided only by his titanic strength gained from a harsh childhood lived with mercenaries, a gigantic sword, and an iron prosthetic left hand, Guts must struggle against his bleak destiny, all the while fighting with a rage that might strip him of his humanity.

Warning: This manga is for mature audiences only, since it has sexual content and graphic violence (gore, blood, rape, etc). Definitely not for the weak hearted.

The 1988 Prototype chapter won a prize at the Comi Manga School Miura attended and the main series won the Tezuka Osamu Award for Excellence in 2002.

In this world, It's only me who can get stronger by eating Magic Stones!

At one point, I received an offer to have a smooth life reincarnation from the Goddess-sama... But the skill I got as a prize is Toxins Decomposition EX. Ugh, what a plain skill! Its so pitiful that even my own family makes fun of me...
However, one day I realized that because of this skills effect, I can eat and gain power from Magic Stones! I've also been notified that I'm the prince from a neighboring country!? What awaits me in the castle are days of experimenting with Magic Stones and training, the perfect environment for me to become the strongest man there is...
And to top it off, I received the Magic Stone of Dullahan!
The story of a boy on the path to become a King while being chased by an assertive fiancee and Female Knights starts here!

The eldest son of the assassin aristocrat Towerhades.
The skill, experience, knowledge of the previous life, magic, all of which grows his power as an assassin.
Excellent assassins pass through. He was usually admired as the ideal lord, and behind it wielded a blade as an assassin aristocrat.

This is his 101st reincarnation!
Is this life a fantasy again? Another fantasy? Just as he is disappointed, he hears his mother's mumbling.
He is the youngest prince with no inheritance rights?
No one pays attention to him?
Hooray! This life is a piece of cake.
He is tired of saving the world or fighting desperately for ambition.
What does he want?

Only to enjoy the sweet honey!

The tower. An unknown place with many rapid changes.

Ten years later, I reincarnated into the body of a boy who lives on Earth in South Korea.

“The guy who backstabbed me and the one above him… I’m going to rip into them.

” The person who reached the top as a necromancer and achieved the class above that, Spirit Master Cha Jinhyuk. As the “All-Master,” he will take his revenge by climbing the tower as a necromancer.

Born as the Thirteenth Prince, Noah was originally in a position removed from the imperial succession, so he freely passed his time in the fief granted to him.

However, the Crown Prince died before the Emperor. The imperial succession would be fairly contested among the remaining princes.

Noah, being the strongest despite living freely, overwhelmed the other princes and eventually became the Emperor with the most power in the world.

Katarina Claes, the eight-year-old daughter of a duke, recovered her past memories when she was hit on the head by a rock. In a feverish nightmare, in which the prince's fiancee was determined, she have realized that this exactly like an otome game from her previous life.
So, she have turned into a villain that interferes with the romance of capture targets—if the heroine got a happy end, Katarina would be exiled, but if the heroine got a bad end, Katarina would be killed.
With no happy ending waiting for her at the end of the road, Katarina somehow have to avoid destruction and reach old age peacefully!

A man who has been reincarnated in a different world acquires the vocation of "pole master" in the new world! However, that special ability is not used to defeat enemies, nor to gain power, but to embrace the beautiful girls who appear one after another with all one's might! A unique story of conquering another world begins here!

The protagonist, “Sao” has been reborn with his memories from his past life. He’s born as a son of a rural villager, but his true identity is a reincarnated person with cheat abilities and the knowledge of the modern world. With the class “Rod Master,” he received as he grows up, and the many skills that came up with it, he can defeat enemies, help people, and even for sex.

I was reincarnated into the body Cecilia Silvie, the villainess of an otome game.
According to the plot, what awaits me in the normal route is either a slow, painful death or an instantaneous one... Essentially, every route leads to my demise.
Then I'll change my fate! And that's why I decided to become a man.
However, I made a mistake during a certain event, and the story began to head down an unexpected path...?

D.Gray-man follows the adventures of 15-year-old Allen Walker, whose left arm can transform into a monstrous claw and destroy akuma, evolving machines created by the Millennium Earl to help him destroy humanity. As ordered by his master General Cross Marian, Allen becomes an Exorcist, people who can destroy akuma, for the Black Order, an organization attempting to stop the Earl. He becomes a powerful asset for the Order because he can detect disguised akuma with his left eye. Allen is sent to recover pieces of Innocence, a substance that gives certain people, called Exorcists, the ability to destroy akuma. The Earl decides to call together the Noah Family, superhuman descendants of Noah who can destroy Innocence. Both sides start the search for the Great Heart, the most powerful piece of Innocence that will assure victory to the side that finds it.

Stories following various adolescent girls and their encounters with puberty and other worlds.

An old school yakuza, Nagamasa Ryumatsu, ended up losing his life due to certain circumstances. But, when he awakened to a strange sort of scenery he had never seen before, he found that he had somehow changed into a beautiful girl!?

"Onii-tama?"
Cain, who reincarnated as one of the love interests of an otome game, screamed at the loveliness of his sister, Diana. I can't believe that this angel is going to be a villainess with countless bad ends-- No, there is no way that such a future can exist!
Clenching his fist tightly, he raises his sister into a gentle lady, while also dispelling the darkness held by the love interests in place of the heroine.
Relying on his game knowledge from his previous life and an orphaned chamberlain. Everything for his beloved sister-- The brother's challenge begins now!

“When you fed a hungry beast, you should’ve been prepared for this.”

I didn’t want to be a bad mother and the source of trauma for the male lead in the original. So I just decided to strengthen the relationship between me and my brother, as well as fulfilling my duty of ensuring that my husband doesn’t pass out.

“You’ve tamed me, so please take responsibility.”

My husband, who will be the final black hole in the story, began to act sweetly, using his beauty as a weapon. I’m sorry, but wasn’t our business marriage too bad?

Our main character was an unsuccessful romance fantasy novelist when she gets into a hit-and-run then wakes up as the villainess in a best-selling martial arts novel. She uses the information from the novel that she had analyzed in her original life, in order to avoid her death-ending and finding the truth behind what had really happened to her.

The battle between the Demon King and the Hero will decide the fate of the world.

Verna, the son of a nobleman, who remembered that he was reincarnated in the world of an RPG game, he was originally a mob who died without a name. The reason is probably the attack on the royal capital by the Demon King's army. Judging that, Verna mobilizes all the knowledge and wisdom of his previous life to find a way to survive in order to avoid a tragedy.Train yourself with the knowledge of the game and become friends with the Hero Mazel. The game start event "Monster Runaway Stampede".

On the battlefield where the Hero is absent, Werner shows a lion-like performance by thwarting the aim of monsters that no one has noticed, and will change the history of the game!?

The full-fledged war fantasy of mob characters who struggle behind the legend begins here.

"Although she's the daughter of a baron, she became an adventurer?!
After dying in a dungeon, she woke up alive again with a new life waiting for her!
Is she a saint? or is it a misunderstanding?!
The adventure of the poor misunderstood saint Sophia has finally begun!"

High school student Sena Shirai is just about to leave behind her shut-in lifestyle and join the outside world, when she becomes the victim of a traffic accident. When she opens her eyes, she's somehow been reborn into a fantasy world! However, everyone around her fears her as a witch, so she reverts to her former habits and lives a lonely life in the woods, until one day when... a young man comes to see the witch?!

Charlotte, who reincarnated as a villain girl in a maiden game, started to avoid the death flag. The goal is to spread the sake that I loved in this world! However, the juice and holy water that I made for trial were all nonstandard ...

A different world, "Sake" fantasy, opened by a cheat girl!