Black_Paladyn
I would say either would work, other than Asce and Spawn of Satan nobody has written a really good story with either of those on webnovel. I would also like to suggest the magic of the MC be String Magic copied from Doflamingo. It would be unique since I don't think anybody's done that before and your good at taking relatively simple powers and making something awesome out of them. Also if you were to choose Black Clover it might be interesting to see the MC interact with Vanessa and her Thread Magic.