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!!??

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!?

From Viz:

What do you do when a team of evil superpowered wrestlers from another planet threatens the health and safety of the Earth? Organize a team of GOOD superpowered wrestlers, of course! Kid Muscle, the son of legendary wrestler King Muscle, rockets to Earth and finds an evil wrestling gang called the DMP tearing the place apart. The punks on the DMP are the weirdest, nastiest, most outlandishly powerful musclebound freaks the galaxy has ever known. Kid Muscle's only hope: form a team that's even wilder. Lazy and cowardly, the Kid sure doesn't look like the universe's last great hope, but when something upsets him -like, say, EVIL - he busts out in muscles just like his old man! The only possible result is earthshaking, bodyslamming, ultimate-powered action that sends our entire planet sailing over the top rope!

About the quiet high school student Kyou who has a special ability...

The island nation of Alistria is ravaged by civil war. The Waldrons are a small family of father, mother and young daughter running an arms shop there. But a cruel military plot leaves the father dead, the daughter taken away, and the mother beaten down with her left eye lost.

But Sophia Waldron is no ordinary stricken mother or weeping widow. She takes up the only sniper rifle remaining in the ruins of their humble little store and sets out with only one goal in mind: revenge against the army that took away everything she cared about.

Itsuki is an assistant at the Folklore Research Institute and is always caught in mysterious cases as he pursues his studies. Follow along as he tries to unlock these mysteries that are tangled with old beliefs and local customs using his keen professional intelligence. (JDorama.com)

Each chapter details a girl NTR /cheating on her boyfriend.

His father is doing time for murder. His brother was arrested for murder. The second son of the family, Ryoga Ishida, is under suspicion of being involved with his brother. Under his fathers order he takes on his boxing pro test.

Onizuka is a prisoner. For reasons that he only knows, he tells the story himself of what happened between him and Class G (which is basically an idol class), expect many troubles, adventures and of course many hilarious moments.

GTO - Paradise Lost is a sequel to GTO and Onizuka is now 24 years old as well.

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 teen disaster comedy about 3 girls who failed the grade.

After spending nearly a year as a shut-in, Koto enters first year of high school for the second time.
Together with fellow repeating students Shiki (held back due to poor health) and Tomoe (held back due to excessive free-spiritedness), as well as the expectation-immune, habitually late grade retention reserve army cadet Kaede, her experience of school life is rather different from the norm, but delightful in its own way.

On a rainy summer evening, a woman and a "dog" happened to meet each other and life has never been the same since.
What new adventures await this unusual duo as summer turns to fall? [Kodansha]

In a future not too far away, androids that look exactly like humans begin to spread across the world. The android production company SA Corp. produced Giftia, a new kind of android that has the most amount of emotion and human-like qualities out of any other model ever seen. However, due to problems in technology, the androids have a service life, and once they pass that, it gets pretty bad. For this reason, SA Corp. creates a terminal service in order to retrieve Giftia that have gone past their service life. A new employee at the terminal service named Tsukasa Mizugaki forms a team with the Giftia Isla to retrieve the other androids.

This series features Michiru Kinushima as the protagonist.

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”.

Gordon is an unsociable middle-aged man driving his food truck through a world buried in sand. One day, he meets a girl named Arisa sleeping stark naked in the middle of the desert. While Arisa wolfs down any and all food she can fit in her mouth, a mysterious armed group seems to be pursuing her, too.

In the second half of the 2nd century, Naru, a warrior from the state of Koryo, was sold as a gladiator-slave to the Roman Empire and waged a desperate struggle for freedom.

Cool beauty senpai x virgin-kun kouhai?!
Aiming to get a girlfriend with his college debut, what appeared before Kouhai-kun was a beautiful, smoker Senpai?!
Generating a lot of buzz on Twitter and Instagram, this clumsy love comedy starts its serialization!

Sunami Yuuko is surrounded by lesbians at her school.

When your company goes bankrupt and your marriage is on the rocks, what’s a guy to do? Move to Tokyo to become an adult film star, of course! This diary-style comedy explores the pitfalls of an everyman who tries to break into the world of porno because it seems like a pleasurable way to restart his life. He soon learns that it’s a harder job than he bargained for!

A boy called Yamamoto, who is the son of a priest, has a crush on his classmate Reina (the heiress of their little island's largest company). Because of a small kindness she showed him.
One day, Yamamoto was called over by Reina. When they share a secret that they should not have stepped into, they are connected.
A suspenseful tale of love and escape begins!!