User blog comment:Crimson and Darkness/Shin DxD 3 discussion/@comment-155.93.250.141-20191027134956/@comment-2607:FB90:6097:D78B:A187:118B:EF8A:D1BA-20191031040520

Not going to lie, but i thought the something be sona and Rias are not only childhood friends but also rivals. So it makes at least a little sense to hook up vali and sona in plot.