I’m The Only One Who Doesn’t Know That Villainess Is A Man

Vivian ends up possessing the body of a terminally ill female protagonist—of all people. To avoid her own sad ending, Vivian approaches the villainess Rachel, the only one who holds the cure, and becomes her genuine friend. But… “I never once thought of you as a friend, Vivian.” “Do you think you could do something like this with another guy?” Wait, hold on a second. She was supposed to be a villainess?! My best friend turned into a man?