Mukouda Tsuyoshi was nothing special in modern Japan… So when he was summoned to a world of swordplay and sorcery, he thought he was ready for the adventure of a lifetime. Too bad the kingdom that summoned him only got him by mistake! Not only was he not one of the three summoned heroes, but his stats were laughable compared to theirs. On top of that, there's something really sketchy about this kingdom…

Naofumi Iwatani, an uncharismatic Otaku who spends his days on games and manga, suddenly finds himself summoned to a parallel universe! He discovers he is one of four heroes equipped with legendary weapons and tasked with saving the world from its prophesied destruction. As the Shield Hero, the weakest of the heroes, all is not as it seems. Naofumi is soon alone, penniless, and betrayed. With no one to turn to, and nowhere to run, he is left with only his shield. Now, Naofumi must rise to become the legendary Shield Hero and save the world!

Years have passed since dungeons sprung up around the world. When adventurer Amane Rin awakens to a unique skill called "Dungeon Teleporting," the rules can't touch him anymore. This is the tale of how he races to become the world's strongest (and fastest-progressing) adventurer!

Eizo is a middle-aged, overworked software engineer who loves cats. One night after working late, he saves an injured cat from a speeding truck. The cat survives, but Eizo does not... Luckily, that cat turns out to be a god-like being who offers him a second chance in another world! Eizo decides that he wants a slower life, one where he can live off the things he creates with his own hands. So, why not become a blacksmith? He does have one other stipulation: a cat companion for his quiet life.

When high school student Youko Nakajima is approached by an enigmatic, blonde-haired stranger named Keiki, her life is turned upside down. Whisked away into the perilous world of the Twelve Kingdoms--a realm teeming with mythical beasts, ancient prophecies, and political intrigue--Youko finds herself alone and hunted. With danger at every corner, she must fight to survive, all while grappling with shocking revelations about her true identity that could shatter everything she thought she knew.