In This Life, The Greatest Star In The Universe - Chapter 17:

Omnipotent A-Grade Cool Female Lead VS Secret Passionate and Domineering Male Lead That Loves Assuming and is Easily Jealous

A tree of 10,000 flowers, the world is the door.
The spells change a lot, but the hearts of the people are unchanged.

- Description from Uukanshu translation

When she wandered the border of life and death at the age of three, Cordelia realized that she had been reincarnated into a game she had used to play as a high handed noble girl. A dark future would await her if she fell in love with the Prince. Therefore, for the sake of a normal life, there was no road but to avoid the powerful prince and the heroine…… But just doing that would be boring. She finally was blessed with a beautiful appearance so she resolved to polish herself, firstly by beginning to study herbology…… This is that kind of story.