GhostBur's Retry (Wilbur Soot's Redemption)

Wilbur had many regrets in his life, being lost in his madness and the urge for revenge drowned leaving a shell of who he once was. It was only in his dying moments that he regained himself but it was already too late for him leaving him drowning in wishes and regrets. However waking up in another different universe where wilbur was never born and family soulmates exist, so when wilbur said he wanted to fix the mistakes he never expected this turn of events.

OR

In one world wilbur dies and he would return as a ghost missing his memory and trying to fix what he did in life but in this one wilbur dies and wakes up in another world where soulmates exist and the wilbur of that world was never born so wilbur/ghostbur takes his place and tries to make up his mistakes to the other version of his friends.