Koko wa Ore ni Makasete Saki ni Ike to Itte kara 10 Nen ga Tattara Densetsu ni Natteita - Chapter 219 - Materials for the Core

Wei Qiqi is the only successor of Wei Corps inheriting a hefty fortune. However, her stepmother bribed a witch from Thailand, harming her with two ancient witchcraft curses.

When Li Xianyu was 20 years old, he received his father’s inheritance, an 18-year-old great-grandmother who was incredibly beautiful.

Li Xianyu: “Great-Grandma, why are you so young?”

Great-Grandma: “That’s because I died when I was 18 years old.”

Shaymon, the man who has achieved the apex of dark magic, is framed as being a Demon King and is killed.

[I was reincarnated as an F-class Hunter.

…it’s a problem because they don’t treat me that way.]