I Can See the Route of Evolution - Chapter 28

The dark BOSS, who had the fortune of becoming Earth’s last living human, brought with him his loyal, second last human to die, little brother to be reborn.

The entire world knows that the heir of the Jiang family is smitten with Miss Lu, but Miss Lu doesn't see it that way.Lu Jing thinks Jiang Ye has too many unbearable traits and doesn't want to indulge him.One day,the heir runs to the Lu residence.“Lu Jing, when will you finally grant me a formal status?”“Lu Jing, don't accept their things, whatever you want I will give you!”“Lu Jing, you are mine, and you can only ever belong to me in this lifetime!”Lu Jing: “Scram~ Stop disturbing my sleep!”(1v1, reunion after separation, pursuing wife to the crematorium.)

Takashi Nakamura is an ordinary student, constantly targeted by bullying from his classmates, living a life marked by loneliness and disdain. When he and his peers are mysteriously summoned to a new world, their hopes for change quickly fade. Deceived by everyone, he is accused of crimes he didn’t commit and executed by his classmates who planned everything from the start.Reborn as Pandora Aegis Oblivion, the new Demon King, Takashi no longer cares about the consequences of his actions. With immense powers at his disposal, he embarks on a journey of chaos and destruction, determined to plunge not just the kingdom, but the entire world into absolute chaos.In a universe filled with shadows and magic, Pandora transforms into an unstoppable force, a symbol of despair and power. As she progresses, she confronts relentless enemies and the reality of her new role. In her quest for total destruction, she will discover that every act of revenge comes at a cost, and that even amidst chaos, echoes of the past can resurface, challenging her resolve.

As a walk-on, he had been the mistress of his sugar daddy for three year. However, they only had met each other for a few times.
As a boss, his sugar daddy had tons of lovers.
The walk-on: The cake shop is the only thing I love in this world. Lovers? Never want one.
The boss: No problem. Nobody wants that.
Then, they fell in love with each other…
Shameless playboy x heartless rogue
1v1, this is not a decent love novel.

- Description from Novelupdates