Yuu, who was like a hero at school because of his speed, has his ife completely changed by a prolonged hospitalization. Initially, classmates who came to visit gradually stop showing up, plunging him into the depths of despair. Despite being in despair, one day during an examination, Yuu suddenly time travels back to the primitive era... where wild action in a new world is depicted. (Source: Natalie, translated)

Tamotsu, a hardcore gamer who had been speedrunning through the game "Destiny Slayer", died and was reincarnated into another world... But as Luster, the good-for-nothing villainous imperial prince, of all people?! He's the absolute weakest of all the enemy bosses, and is going to be sentenced to execution in five years! But in order to save his favorite heroine, the animal-eared maid Zina, he'll make full use of the knowledge from all his speedruns, as well as his love of the original game, to become unmatched! Source: Kodansha

Kusaka Kouichi is a high-school student with an ero mangaka as his older sister. He lead a pretty ordinary life until summer vacation hit and he found out that his childhood friend, Mia was a succubus. Not only a succubus, she was inexperienced and would be in deep trouble if not trained. As time dragged on, more and more people around Kusaka turned out to be clueless succubi. Now begins the quest to teach them all the ways of the succubus!

In Orario, fearless adventurers band together in search of fame and fortune within the monstrous underground labyrinth known as Dungeon. But while riches and renown are incentive enough for most, Bell Cranel, would-be hero extraordinaire, has bigger plans. He wants to pick up girls. Is it wrong to face the perils of Dungeon alone, in a single-member guild blessed by a failed goddess? Maybe. Is it wrong to dream of playing hero to hapless maidens in Dungeon? Maybe not. After one misguided adventure, Bell quickly discovers that anything can happen in the labyrinth--even chance encounters with beautiful women. The only problem? He's the one who winds up the damsel in distress! (Source: Yen Press)

Welcome to Cromartie High—a melting pot of underachievers and overzealous bullies, where the fist rules and the student body has the combined I.Q. of a rusty nail. After a whole lot of bad judgment and a little bad luck, Takashi Kamiyama is now attending this academy of dunces. Here, his only homework will be defending himself against the foul-mouthed robots, semi-intelligent apes and masked villains that roam the halls of Cromartie High School! (Source: A.D. Vision)

A side story of Dungeon ni Deai o Motomeru no wa Machigatte Iru Darou ka. It covers the story of the strongest 1st class adventurer "Sword Princess" Ais Wallenstein and her desire to reach even greater heights with her friends in the Loki Familia.

RISE OF THE NO-TALENT Will Serfort dreams of keeping his promise to a childhood friend by becoming a Magia Vander, one of the mighty magicians who sit atop the Wizard’s Tower. However, he is unable to cast even the simplest of spells, leaving him to fight dungeon monsters to earn credits at Regarden Magical Academy. As if that weren’t enough, he finds himself putting his sword skills to the test against a bullying professor! *Source: KODANSHA USA, Vol. 1*

In Orario, the only place in the world that hosts the entrance to the massive subterranean Dungeon, there's a certain tavern where the most desperate and vulnerable bring their troubles. There, the ex-adventurer Lyu Lion uses her terrifying strength to wrest what justice she can from the shadows of the Labyrinth City! But when a girl goes missing and all evidence points toward the powerful Grand Casino, she may need more than brute force to help...! (Source: Yen Press) *Note: Includes 2 extra chapters.*

For the skilled former adventurer Ryu, it's another eventful day at the Benevolent Mistress! A certain couple's only daughter has been kidnapped, bringing Ryu out into the streets to search for her, in the name of justice and Astrea. Her investigation of the missing child eventually leads her to a lawless area of the Labyrinth City, the Grand Casino, where money and power decide everything! This is the start of the Gale Wind's tale in the city of Orario, home of the Dungeon and adventure! (Source: Yen Press)

A chance encounter between girls weaves a new tale... Recurring dreams of an unfamiliar girl draw Iroha Tamaki to Kamihama City, the last place she visited before the dreams began. Her only clue is a tiny Kyubey, which she aims to catch in the hope it will provide answers about the dreams and the heartache she feels each time they fade. Still, even as an experienced magical girl, the witches in this city are far more powerful than anything she's encountered back home. Can Iroha survive in Kamihama long enough to uncover the secrets within? A new story unfolds in this manga adaptation of the mobile game! (Source: Yen Press)

While adventurers crawl the Dungeon, the gods and goddesses of Orario are always working hard behind the scenes for their beloved children! The deities who remain on the surface might not brave the labyrinth's depths, but they're just as busy--all of them occupied with duties like managing their familia's business, striking deals, gathering information, or going shopping, stuffing their faces, lounging about not doing much of anythi--adventures! So many adventures! Who can really say what happens in the sometimes precious, occasionally chaotic day-to-day lives of this charming pantheon? (Source: Yen Press) *Note: The chapter count includes the special story "Loki no Nichijou" (ロキの日常).*

An anthology comic of K-On! by various mangaka.