MTL - Marvel: Trading From the Ninja World - ~ Speaking of the tone of the book, save the trouble.

The Ye family’s foolish girl is reborn one day!With an omnipotent divine cauldron and a spiritual space in hand, she is no longer the good-for-nothing, abandoned girl that everyone bullies at sight!She is so invincible with both medicine and poison that even a divine doctor will be nothing beside her, Spiritual beasts beg her to make contracts… Oops, excuse her, even the Beast God calls her Boss.When her scumbag father dares to abandon his wife and daughter, she wrecks and destroys his family.When people dare to bully or humiliate her, she would return that favor a hundred times greater.Reincarnated as a human once more, she returns like a powerful sovereign. However, she never expects to be involved with the devilish and bloodthirsty him.Originally meant to be a decisive Ghost King, he ends up reincarnated into a ditsy, cute and harmless hostage prince in a neighboring rival nation…

A noisy little family, a cheerful group of classmates, and a boy, born on the first year of the lunar calendar living a never changing life. Then one day he notices a girl in his class shrouded in mystery. Her name is Makina. However, the boy just can’t seem to bring himself to talk to Makina. Then one day, before the first lunar calendar month, another mysterious beauty appears. Her name is Rushia, and as she leans in as if she is going to kiss him, she tells him about a mysterious power hidden inside him called the “Snake Eyes.”

In the year 2025, humans awakened with the ability to summon mighty beasts—capable of destroying terrains, breaking the laws of physics, and creating wonders limited only by one's imagination.But before these blessings came a curse.An alien face appeared from nowhere and threatened all life on the planet, leading to the greatest war in human history.In the aftermath, the human race and the alien race were forced into a shaky treaty that could be broken at any time.Years later, tests for summoning abilities began for the next generation. Those who awakened low-grade summoning would be thrown to the gutters, while those who awakened higher got to join great factions after graduating from the academy.Kairos Veyl, the blank, calculating student, pulled his hand from the massive crystal pillar and stared at the large beast before him.“This kid—he just got a LEGENDARY SUMMON.”A legendary summon? The greatest class of summoning. However, with this class came a risk one would have never guessed.

Chen Daoxuan stumbled upon an extraordinary system after crossing into a new realm. Whenever he took an apprentice under his wing, unimaginable rewards awaited him, and the critical hits from his apprentices would return ten thousandfold.Puzzled, Chen Daoxuan wondered, “Why don’t my disciples seem to regard me the same way?”The eldest disciple, the Demon Empress, declared with unwavering loyalty, As long as the master gives an order, the disciple is willing to sacrifice everything in the world for the master.”Second Disciple, Saintess: “What is the highest state of Master?”Third Disciple, Sword Immortal: “Damn it, the world says I am the number one swordsman genius in the world, but why am I not even ten thousandth as good as my master?”As word of Chen Daoxuan’s abilities spreads, the reverence towards him grows.Many Holy Places: “If we are a holy place, then his power is like a heavenly existence!”All Immortals in the Immortal World: “His strength is not comparable to that of our fairyland, and he is probably already the supreme saint!”Saint Supreme: “Don’t get involved with me, I don’t want to face that existence either!”Embark on a thrilling journey as Chen Daoxuan grapples with the consequences of his newfound powers and the complexities of his relationships with his devoted disciples. Unravel the mysteries of the system that granted him his strength, and discover the true extent of his abilities in a world where unimaginable forces collide.Prepare to be enthralled by this captivating tale of power, loyalty, and otherworldly encounters. Witness the rise of an enigmatic master whose might echoes through the realms. Brace yourself for an epic adventure that will leave you yearning for more!