I confessed. I couldn't do it while sober so I took a shot of liquid courage.

“I like you.”
“Why?”
“I just like everything about you.”
“... I don't understand.”

Something's strange. His voice is deeper, his height slightly different, and his physique even more so. In fact, after a closer look, even the hair colour that reflected the moonlight⁠—this is crazy. It’s someone else. It's none other than Duke Cabel Willard who's known as the 'Grim Reaper' of the battlefields.

“Cabel.”
“... Excuse me?”
“From now on, don't refer to me by any strange titles. Call me by name instead.”

The corners of his lips that were always frozen stiff curved into a smile. It seemed like he would immediately kill me if the truth of my false confession was brought to light.
Official Chinese Translation: https://www.kuaikanmanhua.com/web/topic/5965/

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

The stoy of an elf queen who got isekai'd from her world into our world. Her name is Lady Elfinn, our titular queen.
And a sweet boy who believes in the Elf supremacy. His name is Isuzu.
Their fates clash after Isuzu gets assigned to take care of Elfinn, and help her accomplish her task: To become the queen of the human world and to guide us into a better future.
In order to help her with their final goal he proposes...

To master the old ways of the S&M to conquer the world!?
What awaits them in the future!!??

Game strategies and bursting with cheats: a second life! The strongest boss in the history of RPGs takes the world by storm! One day, the Demon Lord Menas is attacked by the empress of the Noahic Empire and her Revolutionary Empire. In the face of a beautiful blonde girl, Alex, a mysterious sense of deja vu washes over him… This looks just like the prologue of the game “Resis-Noah” in my dreams! After realizing that he is the final boss of this world, he decides to fake his death so he can enjoy a new life. With his cheats in hand, the new dark hero strives for a life of freedom!!

Guy reincarnates into the gardening apprentice who works for the rival character of the heroine of an otome game.
He doesn't care and just wants to be a gardener.

Original Novel: https://ncode.syosetu.com/n1313ff/

A young man unfortunately died in the modern era, he reincarnated in another world under the name "Eldo," which also happened to be a world similar to a VRMMO game that he used to play in his previous life. However, it's a world where he knows the "basic skills." Eldo became a level 1 adventurer, playing as a "novice," but he knows the world better than anyone, and this is because of the "data he knows." Will the reincarnation in this world make him strong?

On the way home from school, Kashiwagi Aki is kidnapped and finds herself in a world populated entirely by beastmen. She ends up in a pet store where the overzealous and impulsive wolfman Zinovy becomes infatuated with her and buys her on sight. Thus begins their strange and chaotic, albeit incredibly cute life.

An introverted Otaku was summoned to a Fantasy world, and successfully defeated the Demon King there. Just before the ritual to send him back to Japan was complete, the country's Princess dashed into the middle of the spell to be with him.

When they both opened their eyes, they realized they were transported to a Sci-Fi themed world than neither of them recognized. Working together, they must now survive in an unknown world and find some way to get home.

"It has been 4 years since the original heroine ended her life as a maid.
A handsome man came to see her.
He was a man who looked like the young lady that she used to serve.

"I'm here to keep my promise, Blair. You said that you'd be with me for the rest of your life."
"No way.... Young Miss?"

At that moment, the man's crimson eyes turned to meet mine.
He bent down till our noses nearly touched and kissed my hair.
And whispered.
In a very sweet and beautiful voice.

"You have to call me Young Master now."

...... Huh?"

I’ve been reincarnated into a world of strategic gaming where I acquired number 1 Rank!

I thought I would be reincarnated as a warrior in a gaming world that I know of, but I found myself to be a rogue lord who dies in the prologue! And I only have one day left before I die due to another country’s invasion..!

Use all your wits, courage, and gaming knowledge to face your destiny!

It’s a strategic fantasy where you risk your life to turn the tables!

Around the age of thirty, the officer worker Shouko suddenly gets into an accident on her way home and reincarnates into a parallel universe. When she reincarnates, a goddess gives her the "power of healing" and caretakers that will look after her until she is able to become independent.

However, she restarts in the form of a 10-year-old...

Prior to her reincarnation, Sachiko who opened her eyes on the verge of death was picked up by a handsome hunter named Falco. Shouko instinctively knew that Falco is one of the promised caretakers... but there's trouble.

Falco's constant doting can't be stopped!

Hunting slimes, harvesting herbs, and training to be a healer: Shouko then decides to live her second life with the overprotective and soft Falco.

A man who was enjoying an evening drink got transferred to the body of Liam, the fifth son of a nobleman from another world.

"I spent easy days practicing the magic I had longed for, and learned not only attribute magic, but also how to summon spirits, obtain powerful familiars, and ended up mastering even the most difficult magic!"

He became an adventurer aiming for independence from his parents' house, which was scheduled to fall, and before he knew it, he became a higher-ranking aristocrat rather than one of the best magicians in the world.

Satou Shiki, a university student, was suddenly stabbed by a slasher only to be reincarnated in Labyrinth City. In this other world, he who has awakened to [Appraisal] and [Healing Magic] does a lot of “things”.

Reset,
and game set.

When I opened my eyes, I was in a different world.
I had become the game's villainous princess who was feared by all.
Not to mention... Completely naked men I didn't even know were approaching me left and right!

“Are you cold? Shall I warm you up with a hug?”
“Oh? Have you not had enough yet?”

Seriously, what’s up with this situation?
And just how the hell am I going to get out of this freaking game?!
Official Indonesian Translation: https://kakaopage.co.id/content/Terjatuh-ke-Permainan-Harem/3399
Artist's Twitter: https://twitter.com/goya__0906
Author's Twitter: https://twitter.com/dailyinui

42 year old “shachiku” (company slave) Matsuda Takeshi gets worked to death, as is customary in Japan. His one dying wish is to work for a decent enterprise, not the black company he had been working for. His wish is heard by a god who, for his own amusement, has him reincarnate as a young elf male in another world, with increased affinity for earth magic and ability to command golems. The new golem master sets out on a quest to acquire the Seven Treasures left behind by a legendary mage from 1000 years ago.

Reincarnating from a fujoshi to the younger brother of a BL game MC!!

All I wanted was to watch over my older brothers, but I became the main character?!

A working-class adult fujoshi reincarnates as the younger brother of the BL game protagonist that I played in my previous life. It's after my elder brother gets together with one of the game capture targets... From watching the "happy ever after" of the "oshi couple", to seeing how the other brokenhearted capture targets bounce back, this position is just too delicious!!! But when I was playing the game, there was no "younger brother"?!!

I am Owen Pepper, the heir of a Noble family. To begin with, there are two kinds of people in this world. The aristocracy, winners from birth, and the rest of the losers, the cattle. I am a winner, of course. Bwahahaha. Livestock, you can work hard for me today. It is the only thing you lot are good for! I have been reincarnated as a tr*sh aristocrat. My father was a villainous lord. And his son, Owen, has been deeply influenced by his father and has grown up to be a fat, incompetent boy! If this continues, my future is in jeopardy. … But I do not care about that! “I heard that there is magic in this world. If we are going to go to all this trouble, let us try to master magic!” And if you are having fun learning magic, you will soon be able to break the stigma!
(taken of NovelUpdates)

"When I got fired from my job, I went to a different world.."

Fujioka Noel is a hard worker for a black company, but her efforts go unrewarded when she is handed a notice of dismissal one day. Frustrated and sinking into despair, she was suddenly transported to another world..

In front of the bewildered Noel appeared Fenrir, the large, silvery-white wolf. Taking a liking to her, he took her into his care as his 'beloved daughter.' Before long, in the midst of her healing, she became caught up in events that will change the world..

From MangaHelpers:
Sagara Soma is a hardcore gamer, who spends basically all of his time playing or thinking about games. Since he was a child, he's thought of how great it would be to really live in a game world. One day, when he breaks a promise to his cousin Maki in order to play video games, his wish comes true. "New Communicate Online," also known as "Neko-Mimi-Neko," is the game he was playing at the time. Neko-Mimi-Neko is well known for its trick quests, occasional unfairly high level enemies, and many bugs, all of which combine to make players die over and over again. Now that Soma seems to literally be a starting character in the game world, will he re-spawn after death, or actually die? Luckily, he knows just about everything there is to know about the world of Neko-Mimi-Neko, so he may be able to make the unfairness in the game work to his advantage.

A company drone who died from overworking was reincarnated as Sawadi, the third son of a merchant in a different world.

His specialty is restoration magic and support magic. He used his cheat skills to come up with a new model of business. He decided to use his restoration magic to cure cheap slaves and make them earn money.

Although his earnings are steadily increasing, he also has to suffer its consequence of his work load also getting increased... Will Sawadi ever be able to live leisurely without working?

The beginning of this lazy and relaxing fantasy, is starting here!