The Cannon Fodder Supporting Character Stole the Male Lead's Script

[Pre-order "The First Resort Island Drawn from the Lottery" and "Becoming a God Starts from Summoning Players (Infrastructure)" are open for collection. The blurbs are below.] Engineering student Xue Yu transmigrated into a cannon fodder female supporting character in a novel, forced to disguise herself as a man to serve as the stand-in for the true prince male lead. She only had to wait until the male lead reclaimed his position, and then her miserable life as a tool would come to an end. Xue Yu: Stay away from the plot! Run and survive! However, escaping required capital. Xue Yu, diligently working on inventions and saving money to make her getaway, discovered that the system she was bo...