Your sister, the Moon goddess! 🌜

You had died, but you really liked a game, so when you died you stopped playing as a secondary girl, but you unintentionally became the sister of the Moon Goddess, becoming an Empress Goddess. But you are so beautiful, with a very pretty appearance and imperial-level powers, second only to the strongest in the world. You already knew what the adventurer hero game was like.
"Welcome to school, girl, don't get used to it!"
The prince and the villainess, pretending to be the heroine, approach you and look at you with disdain.
"Wow, what a weak girl!"
The girl laughed and spoke.
"She's not even pretty! Look here, girl, you're weak and not pretty!"