After Dressing up as a Vicious Female Supporting Character, I Taught the Original Heroine How to Fight in Business

When Little White Flower meets the Book-Threader - are they rivals, or are they the only ones of their kind in this world? I taught her business and she taught me how to be a good person. We are rivals and the only kind of each other in this world. Shen Ye traveled through a book and entered a world called "The Domineering President's Substitute Little Wife". The false world suddenly became real...