At the age of 6, Ed, a boy suddenly recalls that he is a reincarnated individual from modern Japan. However, his current life unfolds in the slums of another world! Struggling with a poverty-stricken existence in his daily life, he shares his living space with and eats with his childhood friend, a girl named Miinya. Their daily fare consists mainly of 'boiled beans.' Ed, drawing upon his knowledge from modern Japan, discovers edible wild plants and leaves suitable for making tea to improve their dietary situation. In pursuit of a slow life, Ed's life of gathering and hunting begins!

From NovelUpdates:

The high school girl Manami who had fallen down the emergency stairs at school had, before she noticed, become a three year old in the world of an Otome Game. What’s more, that little girl was one of the rival characters that appeared in the game; the can’t-take-a-hint-burikko-type-rival daughter of a marquis family. What awaited her at the end was social obliteration. Though she did get a bad feeling about this… Manami decided not to worry! It was a dream after all, so that had nothing to do with her. For now, she’s going to master magic! Hooray!

Iruma Takumi, a 40-year old salary man, was dragged into a hero summoning just like in a template. What was his fate? The Goddess sent him and the heroes to the other world separately.

With the Goddess’ overprotective support, he landed in a different world looking handsome, rejuvenated, and quite different from a Japanese.

Although he wanted a slow life while working in the manufacturing trade, that was not permitted by the Goddess’ special body and abilities.

Would Takumi be able to live a peaceful life in a different world?

Like in the famous Osamu Dazai's book "No Longer Human"/ "Disqualified From Being Human" (Ningen Shikkaku) , the protagonist of this story attempts a double suicide with his lover... except he gets hit by a truck and summoned to another world instead.
Now he wants to find his lover, so he can commit suicide with her.

Harold is the descendant of the hero who defeated the evil demon king. In this peaceful era, Harold has become a convenient handyman for the townsfolk.

One day, a sacred book predicting the world's destruction is discovered. The condition to avert this catastrophe is... "you must complete the 'Newlyweds Quest' with the demon king's daughter." Thus begins Harold's unexpected married life with Yona, the demon king's daughter.

While Harold still feels bewildered by all this, not only can Yona perfectly handle the household chores, she sweetly pampers him when he's tired. However, she harbors a secret...

Hinowa Tomari is a normal high schooler, until one day he's told that he has to become the wife of a mysterious creature called Kanenogi.

This is the start of their newly married life.

From a young age, Minami Harusumi has had recurring dreams of Veronica, a princess whose kingdom is on the verge of destruction. He believes them to be recollections of his past life, and that he is her reincarnation. Because of this, he is ridiculed by his classmates. One day, when the mockery escalates into bullying, he rediscovers magic - something Veronica had studied and used. Reassured his past life is not merely a fantasy, Minami tries to learn more about his past memories and the reason behind them...

One young salaryman, who adores his plug-in, hybrid car that uses both electricity and gasoline, had been using camping in it as an escape plan from everyday life. Suddenly, he finds himself transported to another world with his car!

He'll start his life anew in this different world!

Leon was reincarnated in the world of an otome game that he was forced by his sister to conquer just before his death. He tried to live a peaceful life as a mob character, but he encountered a scene where a female student ignored the flow of the story and tried to become the main character. Leon ended up seizing Marie, a girl who had a similar atmosphere to his sister from his previous life, and succeeded in thwarting the scheme. It should have have been the right choice... but why was he feeling uneasy about it?

“Mister Perfect”

A living legend in the realm of mixed martial arts, the Champion, Kim Sanghyuk, was somehow reborn in the Murim world as the youngest son of Keum Hojang!

“This time, I’ll forge a new legend in the Murim!”

Against the backdrop of martial artists and untrained fighters scattered around Murim comes an oddity trained in Boxing, Taekwondo, Muay Thai, Wrestling, Jujitsu, Capoeira, Judo, and a variety of modern martial arts, ready to shake up the Murim!

Third part of the story of Dance in the Vampire Bund, and direct continuation of Dance in the Vampire Bund - Scarlet Order. We return to the story of Mina Tepes, the princess of the vampires, and Akira Kaburagi Regendorf, her faithful guardian, in her search for the coexistence between vampires and humans.

The story is set in a “land where two worlds intersect,” and it centers on “a strange romance between a boy and girl who meet by fate.”

In the Elgrand Kingdom, a certain earl’s daughter was well-known. Captivating men and women of all ages with her beautiful looks, she did as she pleased. To those who defied her, she had no forgiveness, crushing them thoroughly, and she caused misfortune for multitudes of people simply for her amusement. Beautiful and cruel, with sharp thorns, she was the “Rose of Ice.”

“Um, who is that story about?”

This is the story of an earl’s daughter, who will have everything she has to do explained the day after tomorrow, and who, after all sorts of troubles, tries to somehow attain happiness in the battlefield of women called the inner palace.

Note: Adapted from the first "villainess" WN, published in 2012.

Deep in the unexplored reaches of the dungeon, a corpse is discovered—one that shouldn’t exist. After Iarumas is resurrected, his memories of life before death are gone, and he spends his days delving into the dungeon to retrieve the bodies of dead adventurers. Can they be revived as well? Or will God reduce them to piles of ash on the altar? Either way, Iarumas collects his finder’s fee. And though his skills earn him some grudging respect, he’s also scorned for this cold, utilitarian attitude. The living keep their distance—Iarumas consorts primarily with the dead. That is, until he meets Garbage, a feral young swordswoman who’s the sole survivor of a massacred party. With Garbage by his side, Iarumas ventures deeper, scouring the dungeon for clues to his past, avoiding monsters, traps, and the inevitability of a permanent ashen demise.

The protagonist, Ma Jinsung, was on the verge of clearing a quest in the game, [Demon King Raid] when he was betrayed and abandoned by his expedition teammate. Just when he thought everything was over, he was pulled away by a strange voice and regressed… ‘Notification: you are being granted a different class according to the conditions of the final goal.’ [Witch Doctor] He enters the game once again as a character he had never considered before. An exciting adventure of the Witch Doctor, Ma Jinsung!

Rin Takanashi, a caregiver in her thirties, was unceremoniously discarded as "trash" despite being summoned as a saint.

However, as a lover of the great outdoors and all things camping, she was blessed with a special skill, [Survival], as well as another unique skill! Thus, a riveting tale begins: one of sweat, tears, and insatiable hunger as Rin, together with companions she picked up along the way, leisurely explores this parallel world and savours gourmet cuisine to her heart's content...

Or so the story should have gone, but it looks like their road is going in an unexpected direction...?

Alt. Raw: https://comic-walker.com/contents/detail/KDCW_EB03201860010000_68/

Welcome to The World, the most advanced online game ever created. Fourteen-year-old twins Rena and Shugo are two middle-school students who enter The World as level-one game characters--and now they're ready to take on anything...or so they think. When Shugo's character dies, he is transported to another level where he is entrusted to bear the Twilight Bracelet by the mysterious Aura. Shugo must find out who Aura is and why she gave him this powerful weapon to protect his sister from the dangers in The World.

Girls cry! Laugh! And get harassed! Young female college student, Hino Motogane, starts a part-time job at a small late night Izakaya. However the shop’s clientele – were youkai. These youkai do all kinds of things to their favorite Hino, sometimes they strip her, sometimes they cover her in spit, no matter what they work her to death! After all, she wants her paycheck…. Come on in under the curtain into an Izakaya comedy where girls are full of laughter, tears, sweat, spit, and who knows what fluids that are flying about.

An official 4-koma spin-off serialization of Watashi, Nouryoku wa Heikinchi de tte Itta yo ne!

The witch Vivian is dying, and she asks her apprentice Betty to prepare the only medicine who can save her. But to get a hand on the ingredients it's not going to be a piece of cake... because one of them is the horn of the demon king Kinguburu, and defeating him can be a matter of life and death.