Review Detail of Gufron_Irawan in New Hero in DxD

the background of the MC is good he been train bye countles hero of humanty and have a cousin that in sona peerage, i would like to read a similiar background, just imagine you meet a desendent of da Vinci and said "your ancestor now is a she" isn't that epic. but yeah i stop when you kill asia sooooo. . .. does anybody have a recomendation?