There was a time when mages were feared. In the Kingdom of Fulgund a female spellsword called Alfiris travels in hope to become a "person who can save others". However, those who manipulate magic are shunned even by the mercenary guild. If one day she finds a travel companion and her "curse brand" is seen... When one day she is reunited with Sister Anorn, a drunk who considers her a "friend", and gathers other companions to slay an archfiend― When overwhelming despair strikes them, Alfiris's right arm bursts into flames and a different persona emerges!

One day home from work, the exhausted salaryman Amano's bathtime is interrupted by an elf suddenly emerging from the tub! This clumsy but kind of brilliant (direct quote) otherwordly elf comes to the human world to take it easy and enjoy reading some manga.

In the year 20XX, Japan began exchanging ideas and cultures with other worlds. One day, a beautiful elf moves into the apartment next to Keita Inudo, a high school boy who aspires to be a Mangaka. But she won't be the only girl to push herself into Keita's daily life! Will he be able to cope with all these sudden appearances while keeping his home, his career aspirations, and his sanity intact?

17-year-old Satou is part demon/part human boy with a facial expression set in stone. Enjoy his misadventures in the Makkai (the demon world) private high school as the only transfer student from the human world. On the first day of school, Satou leaves a lasting impression on future monster classmates, and manages to tick off resident hot shot Grimreaper (aka talking bones), who's now dead set on seeking revenge for his humiliation - except, when it comes to Satou, things never go as planned...

Even though humanity loathed him just because he is ugly, Hero Garius still did everything he could for them.
However, after they double-crossed him, he finally had enough of humanity.
And now, he has decided to save the demon world because he finally found the warmth that he longed for in the demons' instead!!

From Yen Press:

Nai–a young man who travels in search of another by the name of Karoku, a lone bracelet his only lead. Gareki–a willful young man who earns his daily bread by thieving and picking pockets. Thrown together at an eerie mansion, where they are entrapped and framed, Nai and Gareki are soon hunted down as criminals by national security forces. As they are driven into a corner, before them appears the most powerful defense agency in the country, “Circus”–!!

This is the Labyrinth City Orario. It possesses the only underground labyrinth in the whole lower world, and thus has prospered from it, coming to be known as the "Center of the World." Ryuu Lion, under the owner Mia Grand, worked daily at the pub Hostess of Fertility alongside her coworkers Syr Flova, Arnya Fromel, Chloe Rollo, and Lunoire Faust. One day, a pair of Humans' voices shatters the peace of the store... This is a fairy tale that won't be written down, the Story of Lion!

[Tensura] spin-off new serialization launched!! When I woke up, the slime figure was still the same salaryman as before!? Moreover, Benimaru, Shuna, everyone's here and I'm the section chief! Rimuru's middle manager's life begins without knowing the cause of it all!!

The hero Ares was about to fight the final battle for the fate of the world. However, the three party members who became his friends on the trip said, "I can't follow you anymore!" Yes, he was hated by all the party members. Their patience had run out and they finally left Ares. But that is what Ares, the hero, wanted. The last opponent is the genie [Demiurge] who is bringing destruction and chaos to the world. He cannot involve his party members in a fight from which they may not return alive. So it was his plan to play a disgusting person who would drive everyone away from him. Alone, the hero entered the final battle, and died… or did he? Eh? Am I alive? Why am I naked? And why is [Demiurge] sleeping next to me? What happened? I can’t remember?!

The hero who thought he was dead is loved by the girl who was the ‘Last Boss’ and living with her?!

"The Green Bird of Happiness"

It's figure was as divine as the phoenix of legends, and the timbre of it's songs was more majestic than any instrument.
It's said that if you were to encounter it, you will be promised happiness...

The stage: the city of Snowfield in the western U.S., far from Fuyuki. There, a "false Holy Grail War", quite unlike the original Holy Grail War, unfolds. There were those who had been keeping an eye on the auguries of the Holy Grail in Snowfield. According to an investigation by the Mage's Association, the Holy Grail War system in Snowfield was an imitation of the one in Fuyuki. What's more, the system was incomplete, leading to the exclusion of one of the seven classes and the selection of beings as Servants who ordinarily could not be summoned. It was, verily, a strange fake. As an organ of the U.S. government executes its various plots, the Servants are summoned one after another---

Kurono Crawford (Chrono Crawford), a noble of Cepheus Empire had a secret. It was that he came from a Different world… Modern Japan. Having the knowledge about the modern weapons and his sense of values, he was an existence almost like a cheat, aiming to be the “Harem king”.

Abandoned by his superiors, left in command of the Empire’s rejects consisting of demi-humans such as Minotaurs, Dwarfs, and Elves, and thrust into a position as head of a poor fiefdom, Chrono will do everything he can to rebuild and strengthen his forces and revitalize the land, aided in part by his knowledge of the other world.

In crimes where "magic" is used, it is difficult to arrest the criminal. Anne, an investigator of the royal palace, one day encounters a boy who can eat magical power and helps with the cases involving magic.

Lee Yooshin went to try out a new virtual reality game. However, it wasn't just a game. It has a 100% assimilation rate! A game world where everything feels eerily real- In the endless cycle of death and resurrection where logging out is not allowed, Yooshin prepares to fight. In order to escape the hellish battlefield from which there's no escape...

I transmigrated inside the novel of my favorite character, the second male lead.
A tsundere who listens to all the words of the female lead while grunting, with a straight forward personality, and a handsome face.
Matching all my preferences, he was even single after the ending.
Nice! I’ll pick up the second male lead!
However, I overlooked one thing…
The tsundere, who had been abandoned by the female lead blackened, and had become a terrifying man!
“Get lost.”
…I-is it safe for me to pick up the second male lead?

Based on the Original Webnovel (https://series.naver.com/novel/detail.nhn?productNo=4880443) by Hwang DoTol

Description from MU:
Weird development where the main character, who is the fourth son of a noble household and is called the stain of nobility, has to inherit the house because his three brothers were conveniently in the same party and all died to a meteorite apparently. The older sister who's left disowns herself and instead registers herself as his foster daughter and now she calls him dad all to get the him to head the house and have him demonstrate his true ability.

Jaegun Ha is an unsuccessful novelist at 27 years old with nothing to show for himself. That is until he discovers a mysterious box of items and a cat in a graveyard! Now Jaegun is able to channel the extraordinary writing abilities of a dead writer named Gunwoo Seo, and Jaegun’s career is propelled to celebrity status. But with the perks of success come new challenges...

An anthology of separate stories threaded together by fantasy isekai and boobs.

This comedy depicts the romance between a quiet, day-dreaming female employee named Hirano and Koudai, the handsome male upper-tier employee who just arrived from the New York branch. Despite having trouble talking with people, Hirano is suddenly invited to eat with Koudai for some reason.