The story is something very unique and different from what we normally see.
Viewing the world from a different perspective, seeing colors for the first time are shown so beautifully in the series.
They have showcased the idea of mono and probe in such an amazing way that it feels logical and real.
The actors have played their role while taking care of the scenery behind the scene, their chemistry, bravo to them for that.
The story develops in a way how it would have developed in the real world, which is why it felt so real even when it wasn't.