Reborn in Naruto As Madara's Grandson - Chapter 507: 472. Battle for Friends

One day, Luo Jian woke up from his sleep and found himself in a locked chamber where the door and window were all sealed. A note with a few lines written on it was tacked to the wall: “Escape from this room within an hour, otherwise, you will die.”

There is a sequel called Reincarnation Night (轮回之夜) that takes place in the same universe but has different main characters

- Description from Novelupdates

Once upon a time, the Land of Promise thrived under the cycle of the four seasons change. Until a vengeful enchantress cursed the land, and divided it into four realms each with a ruler to bear its burden.The people suffered for years under the endless heat in the Summerlands, the bitter cold in the Winterlands, the never changing bloom in the Springlands and the constant fall in the Autumlands.A prophecy whispers of a marriage between a king and queen that will release the land from its curse and unite it under a single kingdom.Princess Caroline is forced to marry the Summer King, will she be able to fight for a peace amidst a court full of power hungry nobles and will she succumb to a burning love in the arms of a fiery warlord?

Lacking funds for his brother-in-law’s dowry, Cole Stone is abandoned by his cheating girlfriend.

He makes a phone call…

“Ma’am, I give up. I don’t want to work hard anymore.”

“Sure.”

$10,000,000 is credited into his account.

Betrayed, mocked, and humiliated for being poor…

Cole Stone is forced into an engagement with a billionaire CEO whose motives are unknown.

“Ma’am, I would like to issue you a refund—”

“Do you think that my dowry can be refunded so easily?”

Cole Stone is stunned speechless.

Unfair! Absolutely unfair!

How will Cole Stone fare with this mysterious and sassy fiancee of his who never takes NO for an answer?

How will he fare in the world of elites?

“What those edited and conceptualized main characters call ultimate and full power is but a grain of sand under the steps of my weakest subordinates.” Quote from Patrick.

Patrick, a regular arrogant kid with extremely attractive looks and a high IQ, lived in the alternate version of Earth. But in this alternate Earth, there were awakened humans who possessed abilities beyond the scope of human knowledge. Yet, despite living in an awakened world, Patrick didn't awaken any ability.

But just when he was annoyed with his unawakened life, he acquired an unknown entity called a system. With that, it opened a gateway of infinite possibilities that caused the existence of the story “GOD OF ALL SYSTEMS.”