The Apparel Industry Villainess Reigns Supreme with Cheat Knowledge

I was reincarnated into an otome game and became a villainous noble lady whose downfall is assured. But... I won't lose. Before the protagonist steals my fiancé and younger brother, I'll dump them myself. And to live peacefully, I'll use my cheat knowledge from my previous life to make money through fashion! A story of daily life through spring, summer, autumn, and winter, until the end of it all. ※Side story has been updated.