The_Real_Monokuma ...Regarding your ETN AU and not wanting to kill off a bunch of characters.

Angst is indeed totally possible! I'd like to recommend you a video from a channel called Overly Sarcastic Productions— it's called Trope Talk: Fates Worse than Death.

In general, I'd highly recommend the Trope Talks series for anyone who wants to improve their writing or even just learn more about storytelling tools and balancing. I'm SUCH a fan.

TV Tropes is also a fantastic website and I've poured a lot of time into reading pages