Sakazuki, given a moment's respite, gasped for breath. He was no stranger to battles of speed, having sparred countless times with Borsalino, a speed demon whose devil fruit granted him the speed of light.
The fan fictions I have found have all been about being a part of Rias Gremory peerage and not Sona so interesting to hear it is more common than I think. Will have to look into that more
If you are planning to go the reincarnated devil route I would prefer he join Sona for the simple reason I rarely see a story go that route. Like the story!
I have unfortunately read intro chapters like this too many times to say if the opening chapter is good or not. It wasn’t the worst I have read is all I can say. Can’t wait to see what his powers or abilities will be.