Someone has poisoned the waterhole, now stuff's hit the fan and the one that can stop them is... indisposed of. ---- A cooperation with ConorIsacoff

Fiend: an evil spirit or a demon. Just a heads up, this'll be a (Male Reader) insert thing but you can imagine it to be female if you'd like.

What happens if Highschool DXD watches one of the best web shows ever? What will they learn? How will they react? Which fighters will each of them root for?