Naruto: Escape From Konoha - Chapter 201: 197: Aspirations

Zhou Peng accidentally travels through time, finding himself in a weakened and sickly body with a shattered dantian, unable to cultivate qigong. Fortunately, the heavens show mercy by bestowing upon him an upgrade system.A waste? That's all in the past...Leveling up by slaying monsters, effortless and hassle-free, he no longer has to worry about cultivating.Killing monsters grants upgrades, and so does killing people. In the eyes of others, the awe-inspiring and prestigious sect masters are nothing but shining golden bosses in his sight...With the ability to upgrade, who am I afraid of? When so-called geniuses encounter roadblocks and fail to breakthrough, all I need to do is slay a few more beastly demons. Of course, sect heads, sect masters, realm lords... are even better.For the sake of my path to divinity, offer up your lives!

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

In the chaotic world of Ancient Greece, a modern soul is reborn into the body of a young warrior. Armed with knowledge of future empires, military tactics, and innovations, he has no mercy for his enemies as he sets his sights on dominating the Mediterranean. Ruthless and ambitious, he will use every advantage at his disposal to rise to the top. From the heights of Athens to the streets of Rome, alliances will be forged, rivals crushed, and a new empire built from the ashes of the old. In a chaotic time full of treachery and power struggles, only the strong survive.Dont read yet the novel is a complete mess it will be fixed by the day after tomorow give it a try by then.

Introduction: Zhao Si, one of Wall Street’s rising rookies, has been reborn. Knowing the trend of the times, he wants to make his corrupt official father change his ways…

(ps: This story is purely made up, if there is any similarity, it is definitely a coincidence, and it is not aimed at any individual or group organization.)

- Description from novelbuddy