If you're looking for anime similar to Kuro no Maou (Light Novel), you might like these titles.
Touka Mimori and his classmates are abruptly catapulted into a fantasy world, summoned by the resident goddess to serve as heroes. The good news? Most of the students display amazing skills upon arrival! The bad? Mimori is the worst of the lot, bottoming out at a measly E-rank. Incensed, the goddess tosses him into a dungeon to die–but it turns out that Mimori’s skills aren’t so much worthless as they are abnormal. Abnormally powerful, perhaps!
The Lost Ones are wanderers who come here from a distant world known as "Japan." No one knows how or why they leave their homes. The only thing that is certain is that they bring disaster and calamity. The duty of exterminating them without remorse falls to Menou, a young Executioner. When she meets Akari, it seems like just another job...until she discovers it's impossible to kill this girl! And when Menou begins to search for a way to defeat this immortality, Akari is more than happy to tag along! So begins a journey that will change Menou forever...
After their battle with Glass, Naofumi and the other heroes have a meeting with the queen and Naofumi is shocked to learn about the seven star heroes. Still reeling from this revelation, more drama unfolds on the islands before Naofumi and his party can return to Melromarc. A massive monster bearing the appearance of a giant tortoise must be defeated. The monster is so powerful that even the mightiest adventurers cannot defeat him so what hope is there for Naofumi?
The juvenile KAN from the earth is summoned to the Kingdom of Toria , where he encounters attack from the giant creature -Zinba , and he’s rescued by the linker SHIBUKI and URANUS. Later he accidentally gets on the linker squad – DUX truck , to the maze valley, finding in a cave a golden Zinba.
Haruka is just your average high school loner, minding his own business and keeping to himself as he makes it through his high school career, until one day—he's suddenly sent to another world alongside the rest of his class! Before he knows it, he’s face-to-face with the god of this new world, who presents him with a list of cheat skills to choose from…but there’s a catch. It’s first come first served, and his classmates have already beaten him to the punch. Haruka has to make do with what he can get as he navigates his way through this brave new world, all while flying solo!
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!