Parasyte the Grey somehow managed to tell a compelling story with great characters within a short six episodes. Every single scene moved the story forward. Exposition scenes were well done and did not overstay their welcome. Character introductions and motivations were precise. You're quickly told who everyone is and what they're here to do and the story starts running and never stops.

The actors themselves did a terrific job. Especially Jeon Sonee as the lead. Her mannerisms and the inflection in her voice switched between two roles brilliantly. You quickly get attached to her character and want to see her be in her better place and show rewards you (breaks your heart too) for that. And it's not just lead who develops but the side characters as well. Particularly Koo Kyohwan and Lee Junghyun's characters.

I don't see this show as a horror but it definitely delivers on the action, sci-fi front. As to be expected with such a great director. The action is fast paced and well shot. The brief worldbuilding that we get is enough to get you invested in this changing world. The music was nothing special but definitely fit the atmosphere.

You definitely need no knowledge of the original manga or anime adaptation to watch this. It's a splendid story on its own. But it does excite them with that ending scene in the finale.