High School DxD - Volume 1 Chapter 4

Wu Wei, who was once a fishman for the Queen of the Sea, awakened one day and unexpectedly acquired the Tycoon System.One yuan could be spent as ten thousand!!! (Yuan is the unit of account of RMB, which is the official currency of China)Thus, the balance of a little over ten thousand in his card instantly turned into more than a hundred million!However, this money could only be spent on high-scoring goddesses!Therefore, Wu Wei began his wild spending spree.Under his aggressive financial onslaught, all sorts of goddesses fell one after another.The white moonlight he'd been secretly in love with for years, the mature and sexy school beauty, the innocent and cute schoolgirl, the livestreamer with off-the-charts beauty, the delicate and soft dancing goddess, the dazzling top female star...Sorry, but I've monopolized all the goddesses!

Zhen Zhen was reborn in the forest area in the 1960s with a drop of the blood of the ancient gods. The awakening of the blood of the gods not only gave Zhen Zhen one power after another, but also made her the most favored little lucky star in the family!

- Description from Novelupdates

The Fake Life of a Villainess: Reincarnated as a villainous noblewoman, you become an experience bag for the protagonist on their journey. You are the target of the maid’s revenge, your half-sister takes away everything that belongs to you, and the grand princess who cared for you for many years finally loses hope and abandons you. The Real Life of a Villainess: You clean up the mess left behind by the protagonist when they disappear. And in their place, you teach her that as a maid, she shouldn’t always be thinking about…

Reborn into the world of Yugioh, it's natural if my goal is to become the best duelist!