Hey, You Can Be a Villainess Too

My childhood friend, whom I trusted, got pregnant with my fiancé's child. The pushover doormat is gone. I'm going to destroy everything...! The problem is, I'm a small-minded citizen with max-level pushover stats, written in capital I. "I will turn you, my benefactor, into the ultimate villainess within six months!" Following the advice of the magical AI chick, Pipi, I became the secretary to Duke Kreutz, the empire's greatest villain, to learn how to wreak havoc. Alright. From now on, I'll learn every single one of his actions! "Are your heads just decorations? They're too ugly to be decorations, so what's their purpose?" "Everyone who caused trouble today, gather around. You're was...