Villain: the Heroine Eavesdrops on Her Voice at the Beginning

[You vicious woman, try to glare at me again, I will knock your head off.] [If this palm doesn't kill you, you are lucky. The grudges from the past life have been wiped out. Who makes me a good person, woman~] What is it like to travel through time and become a villain... How does it feel to be a big villain and beat up the female protagonist in front of the male protagonist...