The Beginning Turns into a Girl Dominating the World

What is it like to be suddenly turned into a girl by the system? What does it feel like to wear a pretty little skirt to school? You will see a beautiful girl carrying a shovel wandering around the world... In my past life and this life, I am the most explosive... ... (The protagonist belongs to a group of domineering and slightly ungrateful people. The introduction is incompetent, please move to the main text to read!)