NoWoRRyMaN

[His Strength is Unmatched And His Powers Unparalleled; His Existence Unequaled And He is... Unrivaled.] 
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After getting stabbed to death by his girlfriend, Zane was reincarnated as Zeus— a half-demon, half-vampire. When he was one year old, he lost his parents, his castle, everything— because of the Gods and Heavens. Surviving his cruel fate, he lived among humans as one of them by hiding his true identity. 

Even though his life was nothing but suffering, he considered it as perfect; he had friends, a seemingly faithful lover, and the power to protect the world from any evil. With his limitless power, he could easily dominate the world, and neither Heaven nor Hell could stop his growth, but he chose the righteous path. However, for unknown reasons, he was betrayed and sealed to a deep slumber.

After being sealed for eternity, Zeus woke up in a mysterious dungeon to find the person who broke his seal— a half-angel beauty at death's door.

The day of his awakening, he swore that he will get his revenge and reclaim what he has lost—that is everything. Join this lonely demon on his Odyssey and watch him become the one and only— Unrivaled Demon; where no existence can equal him and no entity can defy him.
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Note:- As the title of the novel says, the MC is extremely OP and knowledgeable from the start. He will have some trust issues because of what happened in the past, but no useless drama.

The Story development is slow but the story is not slow-paced. I believe character development, and building the plot is important than writing things that don't make sense. 

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The characters' names and relations in the novel are based on greek, Norse, Egyptian, and other mythologies, but they are not accurate as they should be. I have made some changes as per my choices, and this is just fiction.

Support the novel with power stones.

Disclaimer- I don't own the cover.

Unrivaled Demon's Odyssey

"Aaah~" Nero let out a sigh of pleasure as he dipped under the river.

He opened his eyes underwater and muttered something as he stared at the sky.

Soon after, someone threw a stone at him, and a voice followed it, "I am ready."

Nero immediately sat up and looked back to see Emilia standing naked— covering her private parts with her hands.

Sophia was standing behind Emilia in her angel form, and she was covering her body with a single piece of cloth.

"I will go enjoy the waterfall." Sophia walked to the waterfall and sat under it.

Nero leaned on the edge and patted his lap while looking at Emilia, "Come here."

Emilia slowly walked to him and sat on his lap— face to face, then said, "I feel so refreshed now."

Nero started licking water drops from Emilia's chest, then from her neck, then face, and eventually kissed her.

"Are we going to do it here?" Emilia asked in a calm voice.

Waterfall