After a tear in reality pulls Kagari Shuya into a white room he discovers a futuristic interface for reincarnating in a different world. After looking through the different races and skills he unlocks a new race, Lucivault, a type of vampire with none of its characteristic weaknesses. All set to start his life in a new world, Shuya is confused to discover that he is enveloped in darkness. As it turns out something went wrong when he was transported and instead of appearing where he was supposed to, he appeared in an underground cave. Shuya faces untold dangers, runs for his life, before finding his way out of the underground world. After escaping he meets his Shishou and begins to learn to fight with a spear. There is also a cute black cat named Rollo.

A little girl gets sent to another world where she does her best.

Web Novel: https://ncode.syosetu.com/n8991ct/
Light Novel: Bookwalker

A spin-off of the series “Tondemo Skill de Isekai Hourou Meshi” told from Sui's perspective.

There’s a legendary Bishoujo Game that has become popular among Japanese gentlemen.

Its name is “ Magical★Explorer” or Magiero for short.

The game’s protagonist has a cheat-like power with12 different beautiful heroines to flirt with, including additional 12 heroines from the DLC, a harem of 24 beauties. I have become that protagonist!………………Not. Instead, I have become the third-wheel character who always laughing like an idiot next to him.

Of course I was in despair at first.

Of course. If I am the protagonist I could have all 24 heroines for myself along with unparalleled cheat power. However, since I am the third-wheel there’s no heroine that would lay their eyes on me.

But now I couldn’t care less about the protagonist and his heroines. Why? Because I discovered magic. While I was using it, I have become interested in it. I want to master it. I want to become the strongest. Thus I have decided.

I would abandon half my role as a protagonist’s friend to train my magic and then I would beat the hell out of that cheat who can solo the Demon King.

One day, a college student named Murakami encounters a dragon named Ilsela who came from another world. Ilsela, who aims to be an 'Ichiryumae,' seems to want someone to 'adopt' them while they train in the human world...?!

Eating, sleeping, and playing with a dragon. A relaxed fantasy in a six-tatami room.

Sequel to Re:Zero kara Hajimeru Isekai Seikatsu: Dai-3 Shou - Truth of Zero.

A story about a cat reincarnated in a different world where there are no cats.

A male engineer transmigrated into another world, and became a prince. This place strikingly resembles the Middle Ages of Europe, but at the same time, it seems kind of different? Witches truly exists, and they even possess magic powers! Magic powers are productive forces! Save the witches, liberate the productive forces! Open map, fight demons, break conspiracies, climb up the science and technology tree, and open the path of hardcore ‘farming’!

Lady Rosentine Arzen was born with the ability to see ghosts, an offense punishable by death under imperial law, and something which threatens to ruin her family. So when Rosentine learns of a plot to poison the imperials, she goes undercover as a vagabond sorcerer to save Prince Charteris Kartazen, who promises to protect her family should she solve the mystery. But who would want to harm the prince? The palace teems with danger, but it’s Rosentine’s own secret that could prove fatal to her.

In modern Hokkaido a brown bear has appeared near an elementary school, so a member of the local hunters' association is dispatched to exterminate it. However he gets killed by the bear and wakes up in a fantasy world, armed with only the Remington M870 shotgun he had when he died.

An official manga adaption by Butcha-U of a Light Novel by Munmun with Character Designs by Mizuryu Kei.

The 30-year-old Satou Tarou accidentally dies and gets transferred into another world by god. After receiving a curing cheat ability, Satou Taro changes his name into Tauro and begins a fresh life.

The MC transmigrated into a novel and became an extra from the novel. The novel is a murder thriller and the main character is a serial killer. He kills criminals with black magic making him a dark hero (think of him as Dexter or batman with dark magic). MC doesn’t have any death flags since she’s a background extra but she was a homeless girl of all things in such a dangerous novel. Somehow our MC saves the male lead and to thank her, he adopts her.

“Become my daughter.”

The richest, most powerful, and handsome duke commands her to be his child. The MC is freaked out since she knows he’s a cold blooded killer. Can she survive such a maniac?
Yet he dotes on her and constantly says my daughter is the cutest! He wants to get master artists to draw her and gather poets to describe her adorableness. The duke has a son. The apple doesn’t fall far from the tree; he also dotes on her. In this way a beggar became a little princess. She also got used to people getting killed.

However there was still one problem.

Our MC has turned sixteen and is wondering as a lady, will she have an arranged marriage? The whole house atmosphere quickly turns awkward. She realizes, perhaps they want her to stay here forever? Can she escape such a strange house? Everyone is so attached to her!

A gyaru named Serina is reincarnated into the world of an otome game as a background character who is sold off by her family and now works as the exclusive maid of the game's villainess Almelia. Yuri romcom hijinks ensue.

Among the various realms, is the manliest and most handsome evil god in history! The peerless and handsome Xie Yan crosses over and falls into the vixen's lair. In order not to be drained of his entire life-force, he travels between various realms, cuts down a son of god, and repels an invading union hailing from across the ocean… This is the story of how he eventually becomes an evil god.

Shinomiya-san was reincarnated to a noble family after being hit by a truck. On his 10th birthday it was found out that he didn't have any skill so he was kicked out of the house.

The story begins when Azuma Shuri, a young man with an ambition to be a chef, trips into another world. Akari is picked up by Gungrave, the leader of a mercenary group. Shuri joins the group as an odd job and gradually increases his own value by demonstrating his cooking skills. Each leader of the mercenary group is a quirky character, but Shuri connects with them through his cooking. By improving the mercenary group's food situation and occasionally helping with inventions, Shuri is gradually recognized by his fellow members of the mercenary group. However, Shuri does not yet know that he will become a hero.

“Listen up, right now, there's a super important and urgent question! ...Am I cute?”

Chiba and Sheina, a pair of single, otaku males in their 30s that met during a highschool reunion!
Shortly after hitting it off with each other, they're thrown into one misfortune after another, and before they know it... They got reincarnated in an Isekai as pretty babes!

Yotsuya Yuusuke along with his classmates Shindou Lu and Hakozaki Kusue have been transported to a strange and unknown world inhabited by mythological creatures. As soon as they arrive, they meet somebody calling himself the Game Master who then grants them a time-limited quest. To aid them in this quest, he also bestows Shindou and Hakozaki with the roles of a Magician and a Warrior while Yotsuya is randomly granted the role of... a Farmer?! This is how a hectic life of adventuring began for three students who now have no choice but to complete random quests for several phases in the fantasy world if they want to stay alive and protect the real world from the demons and monsters they encounter.

“I just want to live a normal life, why is this happening to me!” Your average student Ham Dan, whose hobby was reading “Law of Insomnia” wakes up to a beautiful novel like heroine. But even in the world of fantasy novels, her role is no different. Stuck as the childhood friend of the heroine, her normal everyday life comes to an end, becoming more twisted by her strong character.

When I opened my eyes, I was inside a fantasy novel world!
The beauty I see in front of the mirror is the future tyrant's older sister, Alicia!
She's not even a protagonist or an antagonist, but a character that doesn't appear much and gets beheaded by the (upcoming) tyrant little brother.

My life is all about escaping that fate from the novel.
In the end, I seduced the male lead's merchant friend who also doesn't appear much and was about to leave the country with him.

How-e-ver.
The face of the man who spent the night with me was extraordinary.

"I-I'm pretty sure the name I heard yesterday wasn't that name but something else. Uhm, what was it. I-I think it's Sir Lancelot."
"Ah, that's my friend."
"..."
"Why, is there a problem?"

Excuse me, you're asking if there's a problem? A lot. There's a lot.

…. Why is the male lead on my bed!