She was reincarnated as a white fox, and the flowers on the other side were in full bloom. Are you back?

This sentence is a metaphor, which is usually used to describe a person who has undergone major changes and has been tested for a long time and become stronger.

In this metaphor, a woman is reincarnated as a white fox, which means that she has undergone transformation and become more beautiful and mysterious. The white fox is regarded as a creature with special abilities and magic in many cultures and legends, so this transformation has increased her strength and influence.

The flowers on the other side bloom instantly, indicating that her strength and influence have reached the peak. The flower on the other side is regarded as a symbol of death and separation in some cultures. When it blooms, it means the beginning of new life and the arrival of hope.

Finally, "Are you back" means that she has become so powerful that her appearance reminds people of her past, or reminds people of people or things related to her.

So this sentence means that a woman has experienced rebirth, change, growth, strength and influence have reached the peak, making people feel hope and rebirth.