My Wrestling System

Jake Harper, a washed up fighter on his death bed couldn't help but regret the choices he had made along the way. Filled with regret, he wonders if life had been different had he accepted that one opportunity to become a professional wrestler.
However, it was nothing but a whimsical wish of a dying person. Realizing that, he submits to the inevitable fate.
The heavens, however, has different plan for him as he is provided with the opportunity to rewrite history, an opportunity to fulfill his dying wish.
Ding!
Upon regressing back to the past, he awakens a system that would help him on his journey. However, the path ahead wouldn't be an easy one as the heaven will test his determination, perseverance and willpower.