The Butcher of Gadobhra - Chapter 405: Vultures at Bay

A replica of Marquis Kieran Vale, the son of the Marchioness of Vale, who she deemed a failure. That was all she was. No, she was now referred to as “he.” At least until she met Claude Del Ihar.

He rose from abjection and achieved eternity in glory.
He embraced the prettiest beauties and killed the strongest opponents.
He was able to shift the clouds into rain and cover the sky with one hand.
He could overrun the entire world and go anywhere as he pleased.
He pacified wars and held the world in awe.
He was matchless in the world.
However, his hair turned white overnight for his beloved woman and he was on the verge of death.
He was surrounded by enemies who were trying to take his life.
He struggled his way to become mighty and fought for everything he cherished.
For this age, he was the only king of the Dark World.
His name was a byword for might.
As a man living in the world, his only ideal was to pursue brilliance.

- Description from Novelupdates

Adam begins as an ordinary high school student whose life is shattered when his parents vanish. The police later declare their deaths a double suicide, a conclusion Adam refuses to accept.His persistent quest for a real investigation leads him into a dark conspiracy when two corrupt police officers kidnap, torture, and murder him. In his final moments, they reveal his parents were also murdered by an untouchable, powerful entity.Instead of dying permanently, Adam awakens with a new reality: he has been granted a 'System' and the supernatural ability of 'Return by Death,' forcing him to relive his final days.Confused, Adam tries to confide in his trusted teacher, only to be betrayed and killed once again. This time, he learns the staggering reason for his persecution: a $100 million bounty has been placed on his head, making everyone a potential enemy.Dying again and again is horrible. The pain changes Adam completely. The sad, normal boy he once was is gone. He becomes a cold and ruthless killer. He trusts no one. If he even suspects someone might be a threat, he will kill them without a second thought. His only goals are to survive this deadly game and get revenge for his parents.During one of his loops, while investigating, Adam crosses paths with a female classmate being tormented by bullies. He saves her in a moment of detached action and quickly forgets the incident, focused only on his own war. For the girl, however, this act of salvation ignites an intense and devoted love.This devotion becomes a tragic and recurring element in his nightmare. The girl, willing to do anything for him, repeatedly throws herself in harm's way to protect him, often dying in his place across multiple loops.Adam is now trapped not only in a fight against a vast conspiracy but also in a cycle of watching an innocent person die for him, further cementing his transformation into a hardened protagonist who has lost nearly everything, including his own humanity.

as a gamer, who knew the powers will be diversified in the world of Pirates and Navys?this is a story of a person who is thrown into the beautiful, but dangerous and horrendous world of One Piece, as the Holder of the System with the Job of a Gamer.