For a horror anime i think this more on the mystery side rather than horror but this i can say u will not regret after watching the anime it is definitely worth the time and how the suspense and everything unfolds is really good i would recommend this for mystery/horror lovers
It is very much on the dark gloomy side but it is worth the watch and I would suggest u take ur time in watching this and not all at once cause it gets more exciting
Oh and spoiler alert _ or maybe I should just be quiet nd let u watch it urselves