Calculating My Way To Immortality - Chapter 5: The Lady’s Side

God plucked one of his creations from his first Earth and gave him a second chance in another one of his Earths...surprise it is in DxD! Now reincarnated as a perverted side character how will our poor protagonist handle his new identity? Well he probably wont make the choices you will want him to, that's for sure!

A perfect exercise has created a mythology academy that makes the heavens and the world tremble.

The invincible dean leads a group of teachers and students who are not afraid of the sky and earth to compose a myth together!

When hundreds of millions of years have passed and he is no longer in the world, there is one title that still makes the world tremble: Dean!

- Description from novelbuddy

In a world where everyone awakens a Trait to start their cultivation, Rhys's was considered a joke: he would never age.In a world that worships raw combat power, a Trait granting eternal youth was worthless. To his powerful family, Rhys was a talentless failure, a stain on their name. With disgust, they cast him out onto the streets, leaving him with nothing.Alone and powerless, Rhys's life was shattered when he was caught in the crossfire of a terrifying battle between two god-like cultivators.Mortally wounded and left to bleed out in an alley, he faced a lonely, pathetic end.But as Rhys's vision faded and his last breath drew near, a new power roared to life within him.[Lifespan Burning System Activated]Suddenly, his useless Trait became Rhys's greatest weapon. His infinite lifespan was now the ultimate fuel source.A divine martial art that takes a genius a hundred years to master?[Consume 100 years of lifespan. Skill comprehended to Maximum Level.]A fatal wound that no healer can mend?[Consume 10 years of lifespan. Body restored to peak condition.]An ancient, unreadable text holding the world's greatest secrets?[Consume 500 years of lifespan. All knowledge unlocked and understood.]From the brink of death, Rhys rises with a burning purpose.The world saw him as trash, but now he will trade his endless years for the strength to stand above all.(Posting this on RR under pen name Unnikuttan)

He was once the most feared villain in the empire, a master of manipulation who wove chaos from the shadows. Ruthless, untouchable—until the day he was betrayed and executed by the very man he sought to control.But death is not the end.He awakens in the body of Lady Elara Valcrest, a fragile noble girl doomed to be a pawn in political games. Stripped of her former power, she is forced into an arranged marriage with none other than Cairon Everhart—the man who once killed her. He does not recognize her, but she knows him. And she will never forget.To survive, Elara must play a new game. One where deception is her only weapon, and trust is a dangerous illusion. She must outmaneuver her enemies, uncover the truth behind her execution, and reclaim the power she lost. But as she navigates the treacherous world of court intrigue, one question lingers—Was Cairon truly her greatest enemy? Or had she been blind to an even greater threat?Time is running out. The villain has been given one last chance. And this time, she refuses to lose.