User blog comment:Crimson and Darkness/Shin DxD 3 discussion/@comment-155.93.250.141-20191027134956/@comment-79.119.70.247-20191031161621

the events are post-Ex, but the fact that the invaders from the ExE world will soon arrive will change the future somewhat. As they say, because of travel between worlds and dimensions, anything as small as that can affect the chronology of the world.