Gekko Iwasaki, a high-school student, is selected as executor of "Moonlight Ordinance" and fights against the residents. In this fairy tale, there is a world which is strangely affected by blue moonlight once in dozens of years. "Moonlight Ordinance" is a rule to restore the world to its former condition.

In this world, It's only me who can get stronger by eating Magic Stones!

At one point, I received an offer to have a smooth life reincarnation from the Goddess-sama... But the skill I got as a prize is Toxins Decomposition EX. Ugh, what a plain skill! Its so pitiful that even my own family makes fun of me...
However, one day I realized that because of this skills effect, I can eat and gain power from Magic Stones! I've also been notified that I'm the prince from a neighboring country!? What awaits me in the castle are days of experimenting with Magic Stones and training, the perfect environment for me to become the strongest man there is...
And to top it off, I received the Magic Stone of Dullahan!
The story of a boy on the path to become a King while being chased by an assertive fiancee and Female Knights starts here!

Albright, who was famous as “the strongest Black Knight”, was reincarnated as a girl, Maria, whose ribbon suited her well for same reason. Maria, 16 years old, is currently a maid in the Marquess of Urband family in attendance to the Daughter of the Marquees, Relena. After Relena became engaged to the 4th Prince, the area around Maria had gotten busier…

From ANN:

Guts, known as the Black Swordsman, seeks sanctuary from the demonic forces attracted to him and his woman because of a demonic mark on their necks, and also vengeance against the man who branded him as an unholy sacrifice. Aided only by his titanic strength gained from a harsh childhood lived with mercenaries, a gigantic sword, and an iron prosthetic left hand, Guts must struggle against his bleak destiny, all the while fighting with a rage that might strip him of his humanity.

Warning: This manga is for mature audiences only, since it has sexual content and graphic violence (gore, blood, rape, etc). Definitely not for the weak hearted.

The 1988 Prototype chapter won a prize at the Comi Manga School Miura attended and the main series won the Tezuka Osamu Award for Excellence in 2002.

Wim Strauss is a "granting caster" - a support mage who can increase the strength of his allies through the power of his spells. It's a useful talent, but since it can't be used directly in battle, it gets zero respect from the other members of his party. As far as they're concerned, support magic is dead weight. It isn't long before they toss him out on his ear, leaving Wim to wonder if his career as an adventurer is over. Luckily for Wim, he has one big chance: His childhood friend Heidemarie is able to get him an audition with her elite A-rank party, Nachtlibelle. The two of them know his magic is good for more than just menial backup, but now he'll have to prove it. It's time to show the world that support mages can do more than just stand on the back lines!

After the soldiers' mercenary group where he used to work had been utterly destroyed Loren, who survived the disaster, decided to walk the adventurer's path as a way to make a living. However, for Loren who had no acquaintances and nothing but an empty pocket on him, receiving a single quest seemed like a faraway aim. So, as he was contemplating about what he should do next, another adventurer called out to him.

One day Mami realizes that she has magical powers. Her mother also had those powers, as well as her grandmother. Mami slowly has to learn to live with her abilities, and she gets into a lot of trouble.

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.

Ten years after being transported to another world.

It was more than enough time to awaken from what at first, felt like an exciting fantasy dream world. And on this 10th year Wasa Tooru gives up searching for a way to return to Japan, after being unsuccessful for so long.

It was then that a job offer found its way to him— it was to be the bodyguard of twins who have knowledge of Earth.

"When I got fired from my job, I went to a different world.."

Fujioka Noel is a hard worker for a black company, but her efforts go unrewarded when she is handed a notice of dismissal one day. Frustrated and sinking into despair, she was suddenly transported to another world..

In front of the bewildered Noel appeared Fenrir, the large, silvery-white wolf. Taking a liking to her, he took her into his care as his 'beloved daughter.' Before long, in the midst of her healing, she became caught up in events that will change the world..

[Innate Ability: Resurrection]

"What? What's with this super OP cheat skill?"

However, Kang Hyeon didn't know what it meant to die, want to die, and not being able to.

The man who became the most infamous hunter on Earth with his immortal body!

"As a human disaster - no, as one against the disasters facing the human race,I will solo resurrect today as well!"

Thirteen years ago, suddenly the Villainous Army of evil appeared in their gigantic floating castle 10000 meters in the sky to invade Earth! The villainous army have reviving capabilities that make them immortal, making them a serious threat to humanity. To protect us against these invaders, the Divine Dragon Rangers, the Dragon Keepers, wield their miraculous powers and their weapons, Divine Tools, and continuously fight for our safety! The assault of the Villainous Army! The vigilance of the Dragon Keepers! Will they succeed in their conquest…? Find out in the action-packed superhero series of a lifetime!

From Haruba Negi, the creator of 5Toubun no Hanayome.

Kakyu, a former Japanese who was reincarnated as a low-level demon in hell, has acquired unparalleled strength over two thousand years. However, unexpectedly, he is exiled to another “different world,” liberated from the harsh underworld.

Kakyu, who was enjoying his dream slow life, witnesses the village he owes everything to being attacked. Despite rushing to the scene, the village is annihilated.

Picking up the only surviving baby, Alus, Kakyu resolves to raise Alus to become the happiest person in the world to repay the debt…!?

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!

The youngest A-rank adventurer, child prodigy Kaiser, finds three babies who were the only survivor of a destroyed village. Then he decided to give up his job as an adventurer and raise them. Over time, the girls grow brightly and show exceptional talents in fencing, magic and management. However, these girls also seem to love their father, Kaiser!

Orignal webnovel: https://ncode.syosetu.com/n2223fo/

After winning the battle of Katze Plains and founding the Sorcerer Kingdom of Ainz, they aim for a utopia of perpetual continuity and prosperity, a world where many races kneel before Ainz. As the first step toward achieving this goal, Ainz heads to the Empire to strengthen the Adventurer’s Guild and incorporate it into the state. Behind the scenes, the nations of the world are beginning to stir with their own agendas for the Sorcerer Kingdom...! Ainz's high road, once again!

Third son of a "beggar noble" Nore lost his job and was at a loss. But as he was contemplating whether to become an adventurer fortune struck.

A Hidden Dungeon that no one knows how to get enter. A legendary place full of hidden things like extremely rare magical beasts, magic tools for gaining power and items that would be scarce all over the world. That's the kind of entrance that was opened.

"Without telling anyone about this place I'll secretly become the strongest."

This world is harsh to nobles of poverty. Without authority of honor, if I could at least acquire power――

As the red-headed princess of Kouka, Yona lived the ideal, though sheltered, life within the walls of Hiryuu (Red Dragon) Castle. Doted on by her pacifist and cowardly father, King Il, and protected by her childhood friend/bodyguard, Son Hak of the Wind Tribe, (who has loved her since they were kids, but keeps his feelings in check). She cherishes the time she spends with the "love-of-her-life" (and older cousin), Soo-won. Though, on the night of her 16th birthday, everything changes when she witnessed someone close to her, murder her father.

It has been decades since labyrinths first appeared in the modern world of Japan, bringing with them monsters and related catastrophes. With this brought many changes; the biggest one being a new profession called 'Adventurer' and the monster cards they use to summon their own monsters to fight and conquer labyrinths with.

Kitagawa Utamaro, nickname Maro, is a mob highschooler who becomes an adventurer due to being incited by a former friend of his having sudden social success among their peers simply by becoming an adventurer himself.
However, things aren't quite as easy for Maro. Just becoming an adventurer in name only isn't enough for him to gain his spotlight, giving him no recourse but to actually tackle labyrinths with the peculiar and not very versatile monster cards that he barely manages to scrape up.

Frey Raon Starlight was the hero who killed his family and comrades and destroyed the world. His goal was to return to the past, unlock a "hidden route" to truly save the world, and achieve peace.

As planned, he successfully returns to the past and gains access to the hidden route. However, his relief is short-lived as he is confronted with an unexpected truth: the five heroines he killed in his previous life have retained their memories and are now trying to kill him...!

Can Frey, under such extreme circumstances, save the world this time?