I am a villainess, but since the saintess is about to take away my fiancé, I have decided to kill myself.

I am Catherine, and apparently I am what people call a "villainess." My family is a newly-risen noble house that was originally just a merchant family. When the original products I developed and created became a massive hit, His Majesty the King granted my family the title of Viscount and proposed an engagement with the Prince. My fiancé is Damian, the Second Prince of this country and the Commander of the Knights of the prestigious Royal Knights Order. And yet, the Holy Maiden Mari, who was summoned from another world recently, is trying to seduce Damian by exploiting her position. Damian is the person I love most. I will defeat Mari and make my fiancé's heart mine alone. *This is my first complete short story ❀.(*´◡`*)❀. Also published on 'Alphapolis' and 'Kakuyomu'.