Xiao Kun transmigrates to the Xiao family in the Doupo world and obtains the Opportunity Compensation System.

By gifting opportunities to others, you will receive compensation, which can trigger a critical hit, multiplying by a hundredfold...

When a futuristic scientist is transported into the body of a young man in a fantasy world, his curiosity and desire for power push him to pursue magic. In a world without mercy, Leylin has no qualms about doing anything if it means benefits. He is cold, ruthless and calculating, never forming attachments that could impede his ultimate goal…

Honor? Who needs that… Hmmm… that guy seems too powerful for me to take on now… I better keep a low profile for now.

You want me to help you? What do I get out of it? Nothing? Bye.

Hmm… that guy looks like he might cause me problems in the future. Better kill him before he becomes a problem…

No talent for ninjutsu? Then carve a bloody path with your sword!

Traveling through the world of Naruto, Yongen unexpectedly became an orphan in the Hidden Mist Village.

Without a surname, without chakra talent, unable to practice ninjutsu, and unable to even learn the most basic illusion techniques...

Fortunately, Yongen has awakened the [Proficiency System] - as long as he practices repeatedly, he can become infinitely stronger!

Swing your sword a million times and unlock the title of [Sword Saint]!

Everything in the world will be killed!

Even if one practices Chakra thousands of times without any talent, he can still forcibly upgrade to the Six Paths level!!!

With his physical skills trained to the extreme, Yongen's body even surpasses the Eight Gates of Ninjutsu, and he can shatter Susanoo with a snap of his fingers!

Under the cruel rule of the Blood Mist, he endured and grew up.

"Others practice ninjutsu, I practice swordplay."

"Others learn illusion techniques, I practice swordplay."

"Others are dating, but I'm still practicing swordplay!"

Until two years later——

"The Fourth Mizukage? One sword!"

"Akatsuki? Two swords!"

"Mei Terumi? ...Wait, what did you say? You want to marry me?"

When Uchiha Yoichi traveled through time, the style of the ninja world became distorted.

[Picking the sheep with ease]: When in contact with others, randomly take away an item from the other person's body.

Tsunade: Where are my clothes? Why did the shoulder disappear after being put on it?

[Two-way perspective]: Nothing can block your sight, but when you stare into the abyss, the abyss is also staring at you.

Uchiha Mikoto: Have I awakened my Byakugan? Why can I see Yang Yijun's...

[Dance Invitation]: After the BGM sounds, you have an opportunity to initiate a dance. The other party cannot refuse. The winner can randomly get an item from the other party.

Uchiha Madara: Bastard, the dance I am talking about is not a fighting dance, and where is my samsara eye?

————————

Uchiha Yoichi: Let me reiterate, it is the ability that is abnormal, and it has nothing to do with the user. I am a serious person!

Traveling through the prehistoric world, Li Changsheng became a congenital willow tree and accidentally joined the chat group of all realms.

At the same time, he opened up his comprehension to go against the sky.

[You comprehended the martial arts technique "Heavenly Demon Strategy" and understood the realm of martial arts. Martial arts is the key to unlocking the secrets of the human body. A strong body means a strong foundation. You created the magic god body refining technique. ]

[You comprehended the origin of the world and understood the way of the world. One flower is one world, one year is one withering and flourishing. You turned your willow leaf into the world and created three thousand divine realms]

[You obtained the origin of three thousand worlds and created a method of cross-border ascension. You comprehended the way of the primordial universe...]

...

Li Changsheng transformed and wanted to roam the prehistoric world and take in the beauty of the heavens and all realms.

However, the appearance of a little loli made him start his daily life of taking care of the baby.

Tangtang: "Daddy, let's move. I recently visited the Thirty-Three Heavens and found a good place..."

Li Changsheng: "Tell me, whose cave do you want to occupy this time?"

Tangtang: "..."

The group members also underwent subtle changes due to Li Changsheng's joining.

Ma Xiaoling: "Just subdued the general, the Nine Secrets are really powerful, and the Zhuxian Sword is not bad either."

Qian Renxue: "Tang San has been captured, welcome the arrival of the little princess!"

Medusa: "Please help me practice, Brother Li!"

Li Hanyi: "..."

Xia Chen unexpectedly transmigrates to the world of One Piece, activating the story island check-in system right from the start.

"What? You get stronger just by clearing story islands? Doesn't that mean you're about to take off?"

Upon visiting the first island, Windmill Village, I obtained the Zoan-type Mythical Beast Fruit, the Great Sage Equal to Heaven form!

Is Nika the Sun God really that powerful?

Do you know that even if you become a god, you're just one of the 100,000 heavenly soldiers and generals who can stop me?

He then happens to meet Luffy, who is just about to set sail, and at Luffy's invitation, becomes the vice-captain of the Straw Hat crew.

Join the main characters as they explore story islands and grow stronger!

...

The synopsis is insufficient; please proceed to the main text, which primarily focuses on the bond between the protagonist and the Straw Hat crew members.

He woke up in a familiar world that had vastly changed.

His familiar school had become a mystical school that teaches magic, encouraging everyone to become a mighty magician.

Outside the city, many wandering magical beasts and monsters attacked and preyed on humans.

His world of advanced science changed into one that praised magic. Despite this, his ambition in life, and his social status remained the same; one of the dregs of the society with a struggling father and a disabled step sister that couldn’t walk.

However, Mo Fan found that when most people could only practice a single major element of magic, he was a Versatile Mage!

"I don't care what Thanos' ideals are, and I don't care what the consequences of too many creatures in this universe will be, as long as he doesn't use that damn Infinity Gauntlet to destroy my business!" - Kahn Punt

Once he traveled to the American comic world, Kahn had the golden finger to trade all the worlds.

So far, Boss Kahn's name is not only resounding in America in the Marvel Universe, his influence has spread to all the worlds!

PS: There are many subsequent worlds such as Marvel, Naruto, Harry Potter, One Punch Man, The Boys, Dragon Ball, One Piece, etc.