A man gets sucked inside a dimensional crack and falls into another world.
The goddess of that world meets the protagonist and awards him divine protection and some items to survive, which includes access to the Internet. After the protagonist sees that the place was way to lawless, he uses his abilities to fix that.

From MangaHelpers:

After a god screws up and accidentally takes high schooler Shou's life, he offers him reincarnation with a gift to make up for it. Shou asks to retain all his old memories for the new life. Shou is reborn as Will, a noble's son in a world where magic use is common and involves knowledge of kanji characters. With all his memories, he's a brilliant toddler, and when he experiments with magic, he finds that he has an amazing talent for it! What's more, though he was smart but unloved in his old life, in his new life he has a mother and a father who both love him deeply. His future as Will is looking very bright! [tethysdust]

Meet the Evil King Valt, ruler of the Continent of Darkness. After being defeated by a group of heroes, he was reborn as a human, with his powers intact!

"I'll start over in this world. And this time the whole world will be mine!"

Valt garners the attention of the elite adventurer Iris. With Iris as his guardian, he enrolls at the Royal Adventurer Training School and immediately surpasses his seniors with his abnormal power! In an unprecedented move, this maverick is designated "level 0." He goes on to employ his talents as an Evil King to great effect, dominating the new world he finds himself in...

Lucas has a hard life. In his mid-thirties, a mixture of failures has left him old and crippled, playing pack mule to a couple of young adventures.

Then one day, he pulls a magic sword from a stone that tells him he has been chosen to become a hero. Given a youthful form, Lucas must use the power of the sword to vanquish evil and attain a massive harem.

Before you ask, it’s not isekai because he’s been in this world from day one. It is wish fulfillment, though, so in the end it’s basically the same thing.

Amamiya Hiroto is unlucky. His life consisted of misfortune after misfortune, culminating in an unlucky death during an incident on a school boat trip, trying to save a girl he barely knew. After death, he met a god of reincarnation who requested that the hundred or so dead passengers - one of them being the girl he tried in vain to save - be reincarnated into another world.

Yet a series of unfortunate events forced Hiroto to reincarnate with even less luck than before, starting with nothing but a tremendous amount of Mana. His second life, far worse than his first, came to a cruel end.

However, upon meeting the god a second time, he was informed that there would be yet another reincarnation - one that had already been set in motion and could not be stopped. Not wanting Hiroto to endure a third life filled with suffering, the god cursed him before he was reborn in the hopes that he would either die quickly or commit suicide.

Hiroto was reborn once more as a half-vampire, half-dark elf. A dhampir. Not wanting a fourth life, he is determined to live this third life with the only things remaining from his previous lives - Death Magic and his enormous Mana pool.

Shoot for the stars! I'm going to be the country's number one alchemist!

When young girl Sarasa graduated from the Royal Alchemist Academy, her teacher gifted her a house for her to set up shop. Aiming to become a masterclass alchemist, she gathers materials herself, experiments and operates a business. In her very own atelier, Sarasa indulges in a slow and relaxed alchemist life!

Chika Suzugamori, a rookie manga artist, has been getting rejected every time she submits a new draft.

On the verge of giving up, she suddenly gets the idea of going on a journey-

A journey that heals precisely because it's rough - the ultimate travel comic!

There is only one Magi Craft Meister in the world. After the death of the last Meister over one thousand years ago, Jin Nidou was transported to another world in order to succeed her will.After obtaining the knowledge of the Magi Craft Meister, Jin attempts to use a warp gate but it malfunctions, transporting him to an unknown place. Along with that, an automata he recently restored also uses the warp gate in order to search for her “father”. Thus, the crafting journey of the new Magi Craft Meister begins!

Our protagonist, the speedrunning emperor of "Another Verse", suddenly feels sleepy in the middle of practice.
When he awakens, the familiar opening of "Another Verse" is playing right before his eyes!?
In this godly environment where the body is moving better than usual, you have to speedrun!

Clearing the game world faster than anyone!
Abusing bugs to fight, the "fastest" Isekai fantasy!!

Young Woo Shin, Username: Grid.
In the words best virtual reality game <SATISFY>, bad luck always revolves around him.
But he stumbled across a job during a quest, the strongest legendary job out of over 2 billion players!

When he realized it, the protagonist was in another world and had become a sword that was stabbed on an altar in a great plain, crowded with devil beast. The world he was in had a game like system; HP, MP, Strength, Vitality, Agility, Intelligence, Dexterity, Titles and Equipment. Following his instinct as a living sword, he traveled to find the one who could be his wielder, until he met with a cat girl that was about to be attacked by a bear type devil beast.

Orginal Webcomic

Who knew that even a stationary plant could be surprisingly capable?!

Our protagonist is a saint—or was, until she was betrayed by one of her fellow saint apprentices as well as her fiancé, a hero.
In her final moments, she recalls her previous life, when she was just a normal Japanese high school girl, but that doesn't help the fact that she's being eaten alive by a massive plant monster.

And yet, by a stroke of luck, she doesn't die for good, but instead reincarnates as said plant monster. With the upper half of a human and the lower half of a plant, she must now spend her life as an Alraune.

And so, she tries to live the peaceful life of a plant, photosynthesizing all day!
Welcome to the diary of a plant girl who just wants some peace and quiet, but something always gets in her way!

Web novel: https://ncode.syosetu.com/n4444ge/

Kazuma Satō, a hikikomori (shut-in) die-hard fan of games, anime, and manga. A traffic accident brings his disappointingly brief life to an end … or it should have, but he wakes up and sees a beautiful girl who introduces herself as a goddess. "Hey, I have some good news — would you like to go to an alternate world? You may only bring one thing you like with you."

He responds, "…So, I'll bring you." With that, he is transported to another world and his great adventure subjugating the demon king begins … but first the hard work of finding food, clothing, and shelter begins. Kazuma wants to live in peace, but the goddess raises one problem after another, and then the demon king's army has its eyes set on him.

This is a continuation of the story of Higanjima, featuring an isolated island surrounded by fish demons and a population of warring vampires and humans. Ryousuke, his girlfriend Kazumi, and his friend Yamaoka are shipwrecked by the fish demons and wash up on the shore of this cursed island. They soon encounter the inhuman cruelty of the vampires first hand, before Ryousuke is able to meet up with the human resistance. Ryousuke wants nothing more than to escape the island, but mainland Japan may not be safe for long. If the humans don't defeat the vampires soon, then the vampires will succeed in their plans to spread the virus to the mainland!

A world where monsters run rampant.

A noblewoman falls from grace and loses everything after being falsely accused.

But, she started a fresh life as an 'Immortal'. She became an adventurer capable of defeating disaster-rank monsters and taking the heads off ancient dragons with a single swing of her blade. However, behind that cool exterior... beats the heart of a ridiculously over-indulgent mother!?

“What should I do, my daughters are just too cute!?”

She wields her deadly sword for the sake of motherly love! Ogres flee and dragons tremble at the sight of this overpowered adventurer!

The fantasy adventure of the Doting Mother Sword Demon begins now!

Takagi Kaito, a low status high schooler, your typical Mob character so to say, was just a normal everyday explorer who hunted slimes every day in the dungeons that appeared in Japan, earning pocket money while admiring his childhood friend, the class queen, from afar. One day, a golden slime he had never seen appears before him. After he defeats it, he obtains an extremely rare item worth hundreds of millions as a drop, a servant card that can summon mythical beings!! After he makes up his mind and summons it, a warrior maiden with unparalleled beauty appears. Rise above being just a mob explorer Kaito! A modern battle fantasy story has begun!

"Haruka Yamagishi" is a guy who has no friends or family and just goes back and forth between work and home. One day, when he wakes up, he finds himself in a different world. And for some reason, he's turned into a beautiful dark elf! Now, Haruka has inexhaustible magic power, a sturdy body, and a new life where she can do anything... However, through the friends she met and her activities as an adventurer, changes slowly began to take place. The guy who gave up on life in this world begins to feel what it's like to live. Although there are some traps and other events, it's a touching adventure story!

[Source: Manga updates]

As life gets harder, Ian pushes his emotions away and resists. His father's violence and debts increase. Thee misfortunes continued and his body became increasingly numb, he accidentally walks in on an illegal fight and receives an offer.

"If you get in the game, I will give you all the money on this floor."

His survival period begins, where he must survive in an illegal fighting arena.

The boy Leopin was born with unnaturally high dexterity. From an early age, he used his dexterity to contribute to his peers in a variety of crafts. Leopin and his friends entered the Royal Pioneer Academy. However, during the “Ritual of Ability Development” at the entrance ceremony, the status given to Leopin was disastrous.

“Occupation: Unemployed.”

“All statuses except dexterity remain at their initial values and do not grow.”

“Skill is dextrous master of none”

Leopin’s classmates exiled him because he had nothing to offer other than his dexterity. Leopin is placed in the “Special Training Class”, a class for failures. Leopin is left all alone. However, he realizes that the skill he has been given, “Poor Dexterity,” has an unexpected performance. That is…

You can convert your dexterity status to any other status.
You can change your occupation to any one you want.

The first thing Leopin did was to become a lumberjack. First, Leopin changed his job to “Lumberjack” to get wood from the forest. He then became a carpenter and built the most magnificent house of all. He became an Appraiser to identify rare items, and a Battle Axe User to fight off students from other classes who tried to attack him. Become a Ranger to explore dungeons and a Ninja to get through traps with ease.

Leopin, alone (solo), had gained enough power to do everything.

As Leopin continues to be a warrior, he is adored by his childhood friend, a saint, and admired by a beautiful alchemist, and his activities become even more well known. On the other hand, the classmates who expelled Leopin regret their decision to do so when they witness Leopin’s abilities.

Their home remains a shack, they are unable to explore, and they gradually lose their place in the school and are ruined.

*Explanation: the skill is not “poor dexterity”, but “dexterous poor”, which is the Japanese equivalent to a Jack of all trades, master of none; since they can do a bit of everything, they are “dexterous”, but since they have mastered none, they supposedly cannot make a living from it, hence they are “poor”. Another manner of saying you have high dexterity is to be "handy", back-translated from DEX as in *manual* dexterity from early RPGs. "An unemployed handyman who does a bit of everything" just doesn't quite roll off the tongue.

Five years ago, all but one of the inhabitants of Ootsuka village perished due to the plague... And the sole survivor wished only to follow her two dear friends to the grave. To prevent the deaths of the people who were like family to him, one of the dying boys used his last remaining breath to agree to a proposal put to him by a mysterious fair-haired man. Miraculously restored to health, the trio sought refuge in the adjoining village's church.

The story begins when the Imperial Church starts to express its interest in possessing Murasame, the demon blade rumoured to "contain life." But what connection does this legendary sword have with the three survivors of that devastating epidemic?