I've Already Confronted the Five Kage, and the System Just Arrived! - Chapter 229 - 230

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

Li Yu transmigrated to a world of the cultivation and martial arts. He became the head disciple of a low-ranking sect.

A mecha otaku is reincarnated into another world as Ernesti Echevalier (Eru). In this world there exist huge humanoid weapons known as Silhouette Knight. Dreaming of piloting those robots, Eru, with childhood friends, Archid Walter and Adeltrud Walter: together they will aim to become a Knight Runner, pilot of Silhoutte Knight.

After dying while trying to save the Hero's life, only to be abandoned by him the very next instant, Raven ends up before the goddess who'd given him as well as his party their powers. Having witnessed the Hero's failures, the Goddess and Raven strike a deal of mutual benefit. And what's the deal you ask? He has to take over the Hero's spot and strike the forces of evil out of her world. And his reward? The power to steal any woman of course!Revived with the power to seduce anyone no matter their relationship status, the biggest playboy adventurer begins his journey to rack up the highest body count throughout the world!Special Note: Uncensored character pics on my discord server, please join!Warnings:R18||Violence||BDSM||Heavy Netori Elements(Mc stealing other people's woman)