Umineko is one of my favorites for sure, but I think The Hundred Line Last Defense Academy is my favorite
Lunacy no longer lurks within this world, for it dwells in broad daylight. The weeds of madness and disharmony have wrung themselves so tightly around our roots that it’d take a millennium of deforestation to regain our lost sense.
umineko is good but there's a little known one by the same dude called "when the cicadas cry" AKA "higurashi no naku koro ni" that's even more awesome i think