After Becoming a Spare Tire, I Was Targeted by the Villain and the Male Lead at the Same Time (knoxt.space)

Xu Chenghao accidentally transmigrated in a book and became the lifetime spare tire of the Mary Sue female lead. What’s more frustrating, he transmigrated at the time when the spare tire and the villain confronted each other and it’s a fight right away. What’s even more frustrating, according to the plot, after the sp…