Not a bad little tribute to the original game, but PLEASE do yourself a favour and play the game first. When cramming a 20-30 hour game into a 4-5 hour show, there's bound to be some rushed pacing and a ton of cut content. Big twists and revelations become side notes as the discovery and analysis of evidence is replaced with them pulling evidence out of their ass, so the joy that comes from putting all of the puzzle pieces together is almost entirely gone. The free time spent hanging out with and getting to know the characters is also lost, so the deaths of characters are much less meaningful. Most of the key story beats are hit successfully, and the animation quality is fantastic and more than does the game's stylish aesthetic justice, but with so much of it's guts removed, the primary narrative will likely fail to captivate newcomers to the Danganronpa franchise. A recommended watch, but ONLY if you've played and beaten the original game first. If you don't have a Vita or PSP, the game was ported to PC and released on Steam just days before this post, so it is now easily and readily available.
This page contains all of my reviews and essays, either in written or video form. You can also find the videos listed here (and more) on my YouTube channel.