From ancient times to the present, time travel is not uncommon.
Someone dressed up as a neglected concubine from a wealthy family, and finally won the heart of the male protagonist due to a drastic change in temperament;
Someone disguises herself as a ruthless and vicious female supporting character, and changes her fate with the help of high technology in the 21st century;
There are also people who become winners in life as soon as they pass through, such as female emperors and female generals, with glorious scenery and ups and downs.
Dudu Yuxuan is an exception.
She dressed as passers-by A, B, C and D among the villains.
Even the gender is uncertain.
It doesn't matter, Demon Lord, just stay away from me.
The whole text is in the first person.
Intention: Love yourself first when you love others, hate others until the end