Water, earth, fire, and wind. People who can control one of these elements are called firebenders. As a result, four nations and tribes were born in the world: Water, Earth, Fire, and Air.

Among them, only the Avatar-Avatar can master all four elements at the same time. It serves as a bridge between the four nations and maintains the balance of the world.

However, just a hundred years ago, the Avatar-Avatar suddenly disappeared. One of the four nations, the Fire Nation, launched a war of aggression against the other three nations, which lasted for nearly a hundred years.

At this time, Kahn traveled through time and became a young firebender...

Zhang Hong traveled through time and thought he could awaken the golden finger like his predecessors who traveled through time.

As a result, Zhang Hong discovered that he had become a system administrator and a golden finger for others.

Fortunately, administrators also have their own benefits.

The main world is the world of Shoji.

The copy world is mainly composed of the captive world of Cooking Master and gourmet food.

In addition, this book should have multiple female protagonists as expected, which needs to be emphasized.

A high school student who loves basketball is transported to the world of Kuroko's Basketball with the Strongest Basketball God System. While everyone in this world who plays basketball is a monster, and their skills are even more outrageous, I'm not bad either! Having the Strongest Basketball God System is practically the biggest bug in the game! Wait a minute! There's this so-called Generation of Miracles, and I've heard they're all monsters! But no problem, I have a system. Beating them all will be a piece of cake. Don't believe me? Come and see for yourself.

Tennis genius Ye Feng traveled to the world of Prince of Tennis. From then on, the world had a legend of a great devil.

He possesses an unrivaled body, strength beyond the limit, and an all-conquering spirit!

The five senses, the realm, the state of selflessness, the limit of repeated tempering, the limit of brilliant talent, the limit of perfection! Ashura Shinto!

Countless special moves will become even more powerful in his hands!

He knows what you know, and he has what you don’t have!

There is no strongest Ye Feng, only a stronger devil!

Starting from Rikkai University, Ye Feng's name will be imprinted in the Ganges of history!

[No system + multiple heroines + semi-invincible in the early stage + pure invincibility in the late stage]

(The heroine includes the fairy queen Erza, if you don’t like it, please don’t enter!)

Mo Bai travels through time and space to Fairy Tail, possessing amazing magical powers and eight Dragon Slayer Crystals. He encounters Makarov and joins Fairy Tail, thus beginning his adventure.

He annihilated the Dark Guild, single-handedly swept through Aedras, traversed the Eclipse Gate to annihilate Deliora and rescue Uru, overwhelmingly won the Grand Demon Tournament, and shone in various S-rank commissions...

Natsu: Hey, Mo Bai, come and compete with me! (Bang! He is knocked away by a punch)

Makarov: Looks like the guild will have a new S-class wizard with the youngest qualifications!

Acnologia: I sense the mighty power of a dragon from this person... Destroy the dragon! The dragon must be utterly destroyed!

......

This book is also known as "Fairy Tail: I, the Dragon Slayer, Eat Eat Eat Eat"

A former key server for a university volleyball team accidentally travels to the world of Haikyuu Shonen and restarts his life. This time, he is no longer willing to be that unknown key server. He becomes the team's ace, the absolute main force in the hearts of his teammates, and leads his teammates from Karasuno to dominate the country!!!

When he was in Konoha, he started out as Tsunade's childhood sweetheart. This start required him to change his fate.

The tragedies of World War II and World War III, and the decline of Konoha, all disappeared.

I want to hold Tsunade's hand and walk step by step to the top of the ninja world.

Uchiha Madara, Otsutsuki Kaguya, come if you can!

The battle for the rings had just begun when Tsuna, from ten years in the future, suddenly arrived from the future. It turned out that the future world had undergone a massive upheaval, and all of Tsuna's guardians had betrayed him.

To free his companions from their shackles and confront the enemies of the future world, Tsuna decides to recruit Xanxus and Byakuran from this era to his side. Unexpectedly, Tsuna awakens a treasure chest system. By following the system's instructions and arriving at designated locations on time, he can open treasure chests and receive rewards.

Arrive at Namimori Middle School, open the S-rank treasure chest, and be rewarded with seven types of Dying Will Flame!

Arrive at Namimori Shrine, open the SS-rank treasure chest, and be rewarded with the strongest box weapon—the Auspicious Cloud Kirin!

Arrive at Chrome's boudoir, open the SSS-rank treasure chest, and be rewarded with a reverse breakthrough to the pinnacle of Dying Will!

Arrive at Fran's hometown, open the SSS-level treasure chest, and be rewarded with the tenth type of Dying Will Flame - Void Flame!