Due to a misuse of a word joke on live TV broadcast, girl group otaku, 'Jin-Kyung' ended up becoming doxxed and labeled as a "child predator", and ended up getting Social Anxiety Disorder. 3 years later, because of his past incident from the 3D world, his love for only the 2D world manifested, and ended up becoming a "Shut-In Otaku"! Then one day, as Jin-Kyung was no-lifing as usual, he was summoned to ‘Another World’, and came face-to-face with a bright-eyed, hopeful Summoner… Interesting enough, in the world that Jin-Kyung was summoned to, his Social Anxiety Disorder disappeared, and he was also able to wield immense power, and became the strongest summoned being there ever was!! The story of a former girl group otaku turned powerful 2D otaku, and the story of a weak and feeble Summoner commences now!!!

Makoto is a recluse (hikikomori) who gets summoned to another world. From the Goddess Liana, he's granted the "Truth Eye" aka "God's Eye". Makoto is now able to see various things, including the past and future, using this ability to live as an adventurer in a different world.

When I noticed it, I was transferred to the fucking social game "Abyss Calling", which is said to be the worst collection system. Stand up as a summoner in a new world to accomplish what you left behind when you were a player!

After spending most of her youth fielding the attention of countless wealthy suitors, Suhee Kim finally finds true love with a steady boyfriend named Jinsu Han. But then tragedy strikes, and Suhee is murdered in cold blood.

To Suhee's surprise, she is immediately reincarnated as a baby girl named Sanghee Kim, who just so happens to be a princess! Plus, she is fully conscious of her past life. There's just one problem: in this society, women are seen as totally inferior, even princesses. Appalled by the treatment of women, Sanghee is determined to change the kingdom's patriarchal ways. Will Sanghee be able to succeed, or will she be stuck living her second life being treated as a lowly woman?

Sumire was a high school girl before she leapt into another world the moment she fell down. Before she could collapse and die, she came across a silver-haired boy who had already collapsed and was dying. One thing led to another and she ended up working at an Adventurer’s Guild. She doesn’t have any special powers, but she’s well liked by strange plants and animals. What does Sumire’s future hold?!

Artist's Twitter: https://twitter.com/matuitommy

Yulia is reincarnated in a world set before the start of an otome game. She started working as a maid in the castle, but she is serving the princess who appears as a villain in the game! "I won't let this cute princess become a villain!" Rumored as a tough, impregnable maid, she herself will make sure to show the princess happiness! She will use her knowledge of her previous life and the life of magic to change the future of the game is what she thought, but for some reason, a knight who showed interest in her appears! Not taking falling in love into consideration, follow this talented maid through her fantasy!

In the prolonged absence of the King and Queen of the Kingdom of Hearts, their daughter, Princess Eleonor, was compelled to hastily ascend the throne.

At that moment, memories of Eleonor’s previous life came flooding back to her, and it dawned on her that the world in which she currently resides is that of an otome game she once played…?

All the words that pass her lips turn into venomous barbs, leading her down the destruction route at full speed—!!

After the manufacturing company of R-18 dating sims undergoes dissolution, an obsessed 30-year-old virgin visits a deserted shrine and requests to be sent to the world of their masterpiece, Kokorone Heartful.

Although his wish is granted, the god mistakenly turns him into the heroine instead of the protagonist. Ordinarily the romancing choices are left to the protagonist. However, unless he completes the game as the heroine, he will be forced to remain in Kokorone Heartful as a woman forever.

The first lieutenant of the Space Alliance Defence Force, Suna Kim, travels dimensionally to a fantasy world called Rofan! An extreme survival story plays out after she dies and reincarnates as the daughter of Duke Langtry, who was cursed and killed. The frugal lady travels in search of her spaceship, which crash landed in the unfamiliar and barren fantasy world. A lively and brutal romance in court!

Our main character, Asai Manatsu, is the nice guy, who gets isekaid after he got dumped while proposing. Then he dies while trying to save a mysterious girl, but then wakes up in her body?!

Bullshit aside, this is just Dark Souls with waifus.

The Alchemist Kurakazu Rintarou, saved a young girl who fainted in the Forest of Corpses.
The name of that girl is “Chloe La Foley”. Her specialty is housework.
The story unfolds on the two's “Slow Life” under the same roof in this Isekai Maid Fantasy!!

True Vampires household who has the ability to transcend other races and once reigned as the ruler of the Ephenia continent!

Among them, the young princess, Ristia, who has the “Strongest” power, woke up after sleeping for 1000 years and revived in a different world, that is the present day!!

Her purpose is...wanting a cute little sister!!

Even in the different world, Ristia’s ability is overwhelmingly superior and the surrounding people can only be astonished at how easy the job that she does…

Now, can Ristia become an ordinary girl and get a cute little sister...!?

A fantasy story of an overwhelmingly strong vampire princess who is searching for a sister while behaving recklessly and running around noisily!

Japanese in her previous life, Lidi is a duke’s daughter in this life. Her fiancé is the Crown Prince, Freed, who is known for being flawless.
“No matter how beautiful he is, I absolutely don’t want to marry a polygynous royal!”
Troubled, Lidi came up with an outrageous plan for the sake of breaking off the engagement!
It’s a thrilling romance where schemes and fate cross!!

Elf? Dwarf? No! Humans are the strongest!

I was summoned to a different world where humans are the strongest living beings. In my previous world I was just a normal everyday salaryman, but in this new world, I seem to have become a rare existence.

I, who have obtained the strongest power through my race, have decided to enjoy this seemingly stress-free life to the fullest.

Unlucky girl from the modern time goes to another world, unexpectedly receives an incredible power, and capturing the crown princes from four countries' heart, all the way to become the imperial harem's lord?

Crown prince Cecil was so brilliant that everything in life was easy to the point of boring him, then one day, his fiancée Bertia suddenly said "Prince Cecil, I am a villainess!" Claiming that this world is the same as that of an "otome game" from her past life and that she is playing the role of the "villainess" in it, she aims to play her part well and have their engagement annulled. With that goal in mind, she sets about causing turmoil in Cecil's daily life.

As the monster's teeth drew near, it was then that I remembered. "I've witnessed this scene before." This was the world of an RPG I played in my previous life. And I, as the main character's childhood friend, was the losing love interest who would be turned down by him in the future. The childhood friend whose role ended one hour into the opening after confessing to the main character as he was about to set off into his journey. The one many players sympathized with as the main character would meet another girl who would cling onto him during his journey. If I remain in this village, in the future I'll be the losing love interest?! To prevent that from happening, I'll leave the village and make use of my newly blossomed ability in compounds with becoming an alchemist at the royal capital as my aim. I don't give a damn about some job that requires me to be the main character's childhood friend. I'll be seizing happiness with my own hands! (MangaUpdates)

Totsuka Yukikazu was a student in the peaceful Japan, when suddenly during class break, he and his classmates were caught up in a summoning to another world. In the otherworld he got offered a position as an otherworldly warrior that would fight for the kingdom or the choice to take his freedom and walk his own path. With a mysterious voice in his head that told him to abandon the castle life, he decided to take his own path and become an adventurer!

... After he finishes his 2 year mandatory military service

Webnovel https://ncode.syosetu.com/n4944ff/

Poisoned to death by her own betrothed?! Eunha didn’t wake up in a novel’s story just to get killed off again as an unfortunate extra! To change her story she needs a cover… 6 months pretending to be the fake fiancée of the novel's male protagonist, Duke Noah Wynknight. But will this cold-hearted, angel-faced demon of a man really help her avoid another ill-fated ending?!

As she was busy bullying the honour student with the power of light magic, Maria Campbell, along with her friends, the fifteen-year-old daughter of a Duke Katarina Claes suddenly hit her head and remembered her previous life.

Thanks to those memories, Katarina realized that she was actually the villainess of an otome game that she had played in her previous life, with a struggle to avoid the destruction flags that would lead to her doom awaiting her...

Except, there's not even a year left before her destruction end!? The story of Katarina, who is on the verge of her demise, begins now...!