Reborn As Hades In Olympus - Chapter 219:

The unparalleled Demon King Ye Xuan, who was able to heal the death or the living alike and holder of the medicine Holy Scripture, was betrayed and killed by his fellow Demon Kings. But he reincarnated into the body of Ye Xuan, the prodigal son of the Ye family and vowed to himself that he would return to his peak and take back everything that belonged to him!

- Description from Novelupdates

Jiang Chen accidentally traveled through and started his comprehensive journey.

The world is tentatively scheduled: Naruto – Attack on Titan – Blade of Demon Slayer – Sword Art Online – Detective Conan, etc.

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In the Naruto world, Jiang Chen obtained the apprenticeship ten thousand times return system, as long as he taught his apprentices, he could get a correspondingly high return reward.

As a reward, Jiang Chen taught Hinata the black coffin he brought from the world of the god of death to Hinata.

During the Chunin Exam,

Neji: “Abstain, Hinata, you are not fit to be a ninja.”

Hinata: “I don’t want to run away, Brother Neji, let’s have a showdown! The turbid coat of arms is faintly revealing, and the unruly and arrogant talent… The Ninety of Destruction: The Black Coffin!! !”

Everyone: “You call your brother on the lips, but you actually kill him. This girl is too scary!”

(The introduction is weak, please move to the text~)

- Description from novelbuddy

Su Ran, a music prodigy, woke up transmigrated into a book.

At that point in time, the main story arc in the book had already been completed. As a villainess female supporting character, not only did she need to take over the original owner’s pitiful life in poverty, she also gained an instant son right at his rebellious period.

Ten or so more years from then, the son would turn into a twisted, evil villain. He would appear in one of the extra chapters to pick on the male and female lead’s children.

***

Su Ran: Son, you shouldn’t be too outstanding.
Su Han: Why not?
Su Ran: ’cause you will be killed.

Su Ran: Son, would you like to learn music from me and become a zen, little fairy boy who only needs to drink dew.
Su Han: No, I want to go into business so I can support you.

- Description from Novelupdates

This hilarious fantasy story mixes mythological figures, cosmic entities, and a wolf babysitter with just too much contracts on his hands.It revolves around a Monstrous—though, gullible—wolf, reduced to a babysitter and a magnet for bad contracts.Ruben—formerly Ravenswood—is a classic “grumpy but good-hearted” reluctant hero. He is powerful and fearsome, but his terrible decision-making and misfortune always puts him in some kind of inconvenient pact.He got captured by a Human, who later tricked him into a lifelong contract of protecting his daughter, Alicia—whose identity is shrouded in mystery—who also turned out to be a psychotic Yandere!In an attempt to flee the suddenly-catastrophic Gihon—which is earth—with the Human’s daughter, Ruben was obstructed by Pluto, who also tricked him into an absurd pact to slay THE Cthulhu, as the ticket to let him through the other world.Ruben urgently sought to escape Gihon, so he unwisely agreed, only to recall who the all-powerful Cthulhu was. It was too late, though.Successfully crossing worlds to Pison—another type of earth—our Fenrir was met with the “Queen of the coast,” also known as Leviathan—a severe pervert.She attacked and defeated him, but when he woke up, she had apparently made a Master-servant pact with him, in his sleep.As they traveled seeking human cities in Pison, our misfortunate wolfie encountered a godman; Jobina, the daughter of Job, the second of the seven mortal powers.Jobina—a masochist with a vendetta against Leviathan, and a tendency to turn everything into a competition—attacked him for being associated with the evil Leviathan, only to be soundly defeated.Shocked by reality, Jobina protested that she also wanted a pact with Ruben, so he’ll coach her to be powerful. And when the time is right, she’ll slay Leviathan!Our easy-to-fool protagonist, and his terrible life choices, agreed, recruiting yet another troublemaker he’d have to babysit.He only wants an easy going life without problems and crisis!The story has a larger plot, where Ruben—and his babies—constantly, “accidentally,” ruin Sarvest—the antagonist—plans.Sarvest is used to dealing with gods and cosmic entities, not an unworthy—yet effective—opponent in a bubbling wolf-turned-human.Ruben later meets what we would call God—a dumb teenager who only cares about entertainment—who also duped Ruben, using his kind-heartedness, into some kind of horrible pact.“The Silent Pact of a Wolf Babysitter” is a story filled with laughs, chaos, and unexpected twists. It follows Ruben’s misadventures as he navigates a world of cosmic powers, absurd pacts, and the challenges of babysitting a group of eccentric and overpowered individuals. With a larger plot involving Satanas’s grand schemes and Ruben’s accidental heroism, this tale promises both humor and a compelling narrative.