Joseph, the successor of the Great Demon Lord, became a teacher in the Wizarding Academy with the help of the demon princess Lilith who has the power of "love" that helps him to successfully ascend the throne, but the reason is to form a "sexual love bond" with some of his students!?

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.

Musashi is a teenager living under demon rule. As children, he and his best friend Kojiro made a promise, which is to become the greatest warriors in the world and overthrow the demons. But life intervenes, and five years later, he finds himself about to become a miner. Yet can Musashi truly be satisfied with a "normal" 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.

The great sage, Grameos, tired of his current life as a famous mage, decided to reincarnate as a young boy 200 years in the future. Before reincarnating, he places two magic restraint seals on his hands, so that he can hide his enormous magical power after he is reborn. His motto for the next life is "Hide my powers, don't stand out, and be free".

"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?"

A world where ‘Hexes’ exist. This is a story about a young Shaman and his companions saving the world from ‘Curses’.

The Greatest Mage, Princess Leticiel, lost her life in a war and transmigrated a thousand years into the future. Angered by the regression of “Magecraft” in that world, Leticiel set out to develop it, much to her surroundings’ dismay. However, her actions would soon get her and the people she knew involved in a certain plot…

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!

Her everyday life has been suddenly soiled by blood and humiliation. Cheerful and popular high-school girl, Shibuya Mei was transfered to the other world and without knowing the reason why, she was eaten to death by monsters inside there. She felt every bit of "dying" in the other world and when she finally died, she found herself back in her world. It happened many, many times over and over again. She felt as if she was about to go crazy from the pain and sorrowful memories, when she met a boy - Akiba Yugami. He freed the girl from the chains of the virtual world she found herself in, but he wasn't so good as she thought he was. This is the story of a young girl fighting for her dignity.

A demon world maid's cute and spooky fantasy action!

Sumire, a nekomata, who lost her favorite master was wandering around, got lost, and arrived in a foreign country in the demon world!? With the android and undead maids, clean the demon's house brilliantly to take back "that something"!

Artist's twitter: https://twitter.com/yugata_tanabe

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.

An ordinary middle schooler, Lee Sungmin, is summoned to this world called ‘Eria’.
He endures for dozens of years with no talents or powers, and makes it through all kinds of hardships to survive, but dies miserably in the end.
However, before he dies, he regresses back to the past after obtaining the ‘Stone of the Past Life’ by chance, and gains the opportunity to start his life anew.
Yet, he still lives a life without any talents, having nothing. Although he can’t approach the geniuses around him due to the ‘wall’ surrounding them, as well as feeling inferior, he moves forward step by step with firm determination, never giving up. “No matter what, I’m going to live a better life than my previous one even if I have to struggle!”

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.

Pocket Monsters stars a Pokémon Trainer named Red and his rude Clefairy. It is chiefly a gag manga, using crude humor and slapstick.
The series diverges somewhat from the Pokémon video game and anime canon: most Pokémon can speak human language and regular animals (like birds and fish) appear alongside Pokémon. Evolution is also significantly different in Pokémon Pocket Monsters: Pokémon can evolve at any time, and they are also able to reverse the evolution.
-Bulbapedia

In a world filled with talking Pokemon, Red and Green compete with each other in a race to gather all the data needed for the new Pokedex! Bumbling Clefairy frustrates Red with its extreme incompetence and silly behaviour... however, sometimes Clefairy's bizarre ideas to work out in the most surprising ways!!
-Chuang Yi

From Del Rey:

Lucia is the new girl at school. She and her sister run a public bath that's all the rage. When Lucia meets a terrific-looking surfer boy, there's just one little problem: Lucia is a mermaid-not just any mermaid, but a princess on an important mission to save the seven seas from an evil force bent on taking control of the marine world. Such a responsibility doesn't leave much time for romance. But Lucia vows to protect her world and win the heart of handsome Kaito.

Tankoubon #7 includes 3 short stories

Get Nude
Moonlight Goddess Diana
Cherry Blossom

The main character, Hazel (Maron in the original Japanese version), sets off to catch Pokémon after a scientist named Grandpa agrees to make a love potion if she catches Pokémon. Hazel is after the heart of a boy named Almond. Most of the Pokémon in the manga series can speak a human language. The manga's plotline has nothing to do with the original video games. Taken from Wikipedia.

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”.

From Tokyopop:
After an imprisonment of five days in Heaven, which equals five years on Earth, Soma is sent to the human world to recover the lost sword. Under the supervision of the heavenly princess Aroomee, Soma must deal with the chaos that his deeds have produced.

Yu XiaoBei, a worker, in order to pay for his sister’s surgery, he chose to enter the mysterious arena and learned that if he survived till the end he will be able to control the world’s economies. Unexpectedly, Yu XiaoBei would face his treacherous competitors, caged in with a monster, and participate in a thrilling death game. To his delight, an unexpected gift made the protagonist determine that there was a chance to achieve his goal!