Adult PC Game: Once Upon a Time - In a Isekai World V0.2 by NekoFairys by Kuro-Neko Win/Mac Archive

Overview
What would you do if your parents were swimming in money?
What would you do if you could have anything you want?
Exactly, you would take everything you wanted and you wouldn't care about morality or humanity, that's exactly how our protagonist is.
What he doesn't need, he throws in the trash, whether it's people or objects, but this changes when something goes wrong in his life and suddenly he is facing the end or the end is just the beginning of something new.