“Until we graduate, become mine. Or even If I do this——” Princess Alicia hates the idea of a political marriage, so her mother offers her an alternative cross-dress and enter the boys-only magic academy, and choose one of the suitors to be her fiancé! Though it sounds impossible, Alicia fell in love with Lucius, an incredibly handsome gentleman who isn’t even a potential suitor. Yet somehow, Lucius knew right away that Alicia was a girl, and stole a kiss! Alicia reincarnated into another world based on her beloved BL short novel, and her path to romance begins…! After much anticipation, everyone’s favorite romance fantasy has become a manga!

An ordinary student accidentally traveled into an other universe and became the king of a small kingdom. He had gotten a Cheating Code of life and was able to complete something extraordinary. This is the story about a king that was able to conquer continents and leave behind him an ultimate legend that will be recited between every generation to come.

A Hamefura anthology focused on the series' female cast, published through Comic Yuri Hime.

Hello, let's met with Airu, an airhead, cheerful girl who finds a mysterious cube device while cleaning her club's room. Suddenly she's sent to another world with her merrymaking friends.
With this cube, these four will be adventuring in another world while living a peaceful daily life on earth.

One day, the young boy went to help the cat of God until he killed himself. He was born again in a different world with the special power to feed the cat!

Naoto Nagasaka works for a food company where he sells raw meat. One day he is hit by truck and wakes up in a foreign land. The dense forest he finds himself in hosts many dangers, and very soon he is chased by monsters. With no food and no weapons, how will this man survive now that he fell to the bottom of the food chain?

It’s a story about a young Japanese boy who gets sent to another world. But he gets a cheat skill that gives him a kingdom and a harem too.

Yyyyyyyyep.

“Do you wanna make a bet?” Halka, a female magician pretending to be a man, saved a knight who was dying on the battlefield. When Halka, who had chipped away at her own life to use healing magic, awoke, the beautiful knight whom she saved said, “I want you to accept this as proof of winning our bet,” and forced her to enter a master-servant contract with him……!?

An official 4-koma spin-off serialization of Watashi, Nouryoku wa Heikinchi de tte Itta yo ne!

His body has different abilities, but he has not found any way to use them in the real world, all he can do is to be a professional killer. But at least after going to a different world, where there is only fighting or death in the battlefield its strength will appear differently. His name is Tang Yin...

High school student Atami Kusatsu on his way to a rural onsen, meets with a tragic accident along the way and dies, but he's reincarnated as an onsen in a fantasy universe. In this world, the liquefied Atami turns out to have remarkable physical and magical healing properties, and he soon finds himself being regularly visited by beautiful elven adventurer Laticia, large-breasted priestess Kumu, and petite village chieftess Chichiku.

From MangaHelpers:
One day, 22-year-old Kanzaki Misuzu is suddenly transported to a strange world. Based on the pop-up screens she can access, it seems she's entered some kind of RPG as a magic user! Luckily, she can use the gaming skills she acquired as an otaku to make her way in this new world. But before she knows it, people start calling her "the Black Healer".

<Cheating Men Must Die> Side Story. The beginning of intern Su Lüxia journey of abusing scum.

Lotus is a book clerk who works hard to succeed the bookstore in his parents' home. One day, when I got a mysterious book at work, I was taken to another world! The way to return is to live deeply with people in this world. To that end, Lotus who is about to start work has come to talk about whether to open a bookstore. Lotus decides to start a bookstore from scratch, but ...!? A bookstore clerk who loves books, a different world work fantasy, a long-awaited comicalization!

She wakes up finding herself in a town of youkai...
a Japanese style fantasy interwoven with youkai.

This is the story of a detestable Demon Lord and his wonderful new wife, a destitute damsel! Our Demon Lord, Anima, is the strongest in all the world, feared by the denizens of the realm. He's forced to spend his days in solitude until, completely out of the blue, he gets summoned to another world! The one who summons him is none other than Luina, an exceedingly poor girl who runs an orphanage. The two of them quickly fall in love, with Anima swearing to use his power to protect his newfound family!

Xiao Yao, a young lady of a wealthy, respectable family in the 21st century, thought her life had ended when she passed away due to a deadly illness. However, she opened her eyes and found herself in the body of a manhua's villainess, Princess Abella.

Despite not having any magic powers nor capabilities, the pompous and vicious Princess caused countless people to suffer from her heinous acts. Her greed for the throne even led her to murder her own father, thus sentencing her to death while the protagonists of the manhua lived happily ever.

With a second chance at life in such a healthy body, Xiao Yao will not sit back idly while the Princess' impending doom befalls her again. This time, she will strive to change the Princess' fate, and along the way, will attempt to discover her hidden secrets and of those around her...

Sakura is a high school girl who loves to clean. One day, she suddenly crashes into a Demon King from another world. Apparently, this world has fallen prey to a curse that forbids the use of cleaning magic...?! A modern-day high school student in an unknown world... can be useful by "cleaning"!? A super new and exciting otherworldly fantasy----!

Qin Fei is an ace agent in a special school. She was betrayed by her partner and lover when she was performing a mission in the Bermuda Triangle. She fell into the sea from the boat and into a crack of time and space, meeting a vampire on first day. The battle of a modern female agent against the ancient "old Draculas" in full swing.

Yuzuki is a call girl - a sex worker who doesn’t make prostitution her main profession. She gets sent to another world, and in order to get back to her own world she has to collect orgasms from all the different fantasy races that exist in the world she was sent to.

So yeah. It’s similar to JK Haru is a Sex Worker in Another World, but compared to that the fanservice is more explicit and the story itself less dark.

Alternative raw: https://seiga.nicovideo.jp/comic/40827