This is like watching someone build a jenga tower. You know how this will end, but you want to see how high it will get before it all comes crashing down.
You can't find a more damning outlook on society than this. Everyone besides the leads are horrible, horrible people. I really want to see them overcome this.
There is nothing stopping her from being reborn as an undead. I can't imagine End hasn't been studying necromancy himself at this point, if only to better know how to counter his master.