From Bandai Entertainment:

In his skyless cavern of a village Simon toils daily, drilling holes to expand his stifling little world until one day he makes an extraordinary discovery: a small glowing drill-bit and the man-sized mech it activates. Before he can give it a second thought Simon's dragged into a plot to break through to the surface by the local gang leader Kamina, only to have the ceiling come crashing down on top of them under the weight of a giant monster! It somehow falls onto the boisterous Kamina and cowardly Simon to defend their village, but once they defeat the monster what awaits the duo on the surface world? Get ready for buxom babes, beastmen, and giant mechs as only GAINAX can provide them!

Saints, the most formidable beings under the Heavens. Follow Wang Lin as he entered one of the elite sects: Heng Yue Sect and work his way toward to become a Saint.

Webcomic on u17

This story starts after events in Episode G.

"In his house at R'lyeh, dead Cthulhu waits dreaming..."
The Greater Cthulhu Mythos based on information from works in the Mythos. By default, all information is to be assumed to derive from the Lovecraft Myth Cycle unless otherwise marked.

The main character, Leon, was abandoned to the world of demons right after he was born because of his lack of magical power. However, his fate changes completely when the Four Heavenly Kings of the Demon King’s Army pick him up. The Four Heavenly Kings were the strongest and most powerful figures in the world had trained him personally and took good care of him. As time passed, the boy became a magnificent soldier of the Demon King’s army with the power to “rule” every kind of magic. Leon has been given a new mission to protect Alicia, who will enroll in a magic academy on the island called “Paradise Island.”

“Alcafus” is a story about mysterious Kemonomimi creature the MC, Tadashi met on a his childhood’s day. He discovered that a girl with ears and a tail like a beast was falling down at a shrine, gave her a candy ball that she had and adored. Ten years have passed since then, when I heard her voice calling myself, Tadashi visited a memorable shrine and strayed into a mysterious world.

Once in Armian, Re-Manu XXXVII is awaiting her death. As it goes for years in history, the dying queen foretold the fate of her four daughters. Divination that would lead them toward their fate, and significance to determine the successor to rule Armian. The beautiful Swarda is fated to marry a throne man of Persia. The smart and calm Aspasya will encounter a great leader of history. But fate has its own plan to fool with their destiny. The first and the fourth daughter have their fates twisted, to heir the title of Re-Manu. But there wouldn't be a country with two leaders, one has to given way to another. And of course it won't be the cold-hearted and ambitious Manua to give up the crown, so then she decided to put her younger sister into exile. Little Re-Syahrina has to start her journey to find a phoenix's feather to get back home, while the story is also concerned in Swarda's pain of being betrayed by her lover and sister, Aspasya relationship with a slave called Bahel, and the new Re-Manu that would sacrifice anything to fulfill her ambition, and her sisters aren't exception.

The official 4-koma gag series of World Flipper.
More information about the game and characters can be found at its official site: https://worldflipper.jp/.

From: Easy Going Scans
The story begins with the eradication of Qing-cheng martial art faction by a group of martial art fanatics from Wudang, whose master and disciples only has one belief – to become the strongest in the world. In order to maintain their supremacy, they take over all the other martial arts group and kill those refuse to yield themselves to them.
Yan Heng, a young swordman in Qing-cheng, was saved by ‘Wudang Hunter' Jing Lie, who also lost his fellows because of Wudang. Being the only remnant of their groups, the two allied and start their journey of revenge.

From EIH Scans: Reborn for the sake of a previous life. Reborn for the sake of martial arts. Chu Yang was under attack for the sake of the Jiu Jie Sword. Our hero was trapped and outnumbered by plunderers. Unexpectedly, between life and death, he was brought back 16 years in the past. Is this fate, or a coincidence? Will Chu Yang be able to change the past?

"So many demon spirits, I want to collect them." Long Ao Tian. Yuan Ding, goes on a journey of collecting demon spirits.

In 1989, Joseph Joestar arrives in Japan to meet his troubled grandson Jotaro Kujo at the request of his daughter Holly. Jotaro has locked himself in a jail cell out of fear that an evil spirit is possessing him and that he may cause harm to others. However, Joseph reveals the truth to Jotaro: this "spirit" is really a "Stand," a physical manifestation of one's fighting spirit. What's more, Joseph and his companion Mohammed Avdol possess Stands of their own and have learned to control them with ease.

Joseph's arrival comes with another piece of news: an old family enemy has returned from the grave, causing the Stands of the Joestar family to awaken. However, when a Stand manifests within Holly, her inability to cope with it leaves her gravely ill, stirring the men into action.

Armed with the power of Stands, a globe-trotting adventure from Japan to Egypt—where their adversary resides—begins. Meeting an array of nefarious Stand users along the way, as well as new allies, the team leads a crusade to save Holly and put an end to their enemy for good.

Second story arc of JoJo no Kimyou na Bouken series.

Takes place in the 1930s, and follows the misadventures of Joseph Joestar, the grandson of Jonathan Joestar, as he fights vampires and ancient super beings with some help from a cybernetically-enhanced Nazi and an Italian man he has a lot in common with.

After a falling out with his team, the Guild Master of the greatest guild quits the game. As the top player, he had pioneered the creation of a unique plot item that is required to open a new area of the game. After 2 years he returns to find that his items and gold have been stolen by hackers and the unique plot item he made unavailable by leaving, was never replaced, and so he is hated by everyone in the game. Our accessories-loving hero is however very relaxed, and simply goes back to his old ways of trying to create/purchase the most interesting items.

Kurono Maou is a high school student who is sensitive of his sharp eyes and bad expression. No girlfriend but gifted with friends in his own way, he had been living a peaceful life. But one day, without any reason, Kurono was attacked by a mysterious headache while in the literature clubroom and fainted. When he finally awoke.......Swords & magic, filled with monsters, an orthodox different world summoning.

A middle-aged engineer who was weary of life ended up being reborn into a different world as Zack, the son of a frontier feudal lord. Once there, he received a mission from God. He was told to prepare himself for the task of “guiding the future hero of the world”. With that in mind, Zack not only trained himself in swordsmanship and magic but also committed himself towards reforming problems in hygiene and education. After developing a new local product, Zack was reminded of his once forgotten dream: brewing alcohol! As he resurrected his long lost passion, it was the beginning of his “Dream Life”.

Web Novel (English): https://yasuitl.blogspot.com/p/dream-life-dreams-in-different-world.html

Tomo-kun, an office worker, is neighbors with Aki-san. Aki often comes over to Tomo's house to drink alcohol with him, but when she gets drunk her secret is revealed, she's actually... part cat! As Tomo-kun continues his life, other part-animal Onee-sans will come to drink with him (summary updating)

Living isn't easy.

When Haruhito awakens, he's in the dark. He doesn't know where he is, why is he here, and where he came from. Around him there are several men and women who have the same circumstances.

Together, they advance forward away from the darkness, and a world they've never seen before called "Grimgar" spreads out before them.

Memories, money, special powers — this is the reality we who have none of those things have obtained.

A young man set forth to avenge his master, a once powerful martial artist who was betrayed by his own men and barely escaped with his life. Armed with his master's supreme martial art techniques, he is ready to bring terror and wreak havoc among the murim. But before he even got started, he learns that the ones who had betrayed his master are already dead... Erm, so what happens now?

The story will combine the legend of a demon king with a hero who crosses over time and other things. The comedy will involve traveling between a Japanese living room and another world.