Somehow strange ghost chair "Ghost Chair"

As the name suggests, "Ghost Chair" is a chair that looks like a ghost. The more I look, the more I feel like I do not know the reason. Is it okay if I actually sit down? Even fears of fear will be felt.

Details are as below.
Who you gonna call? GHOST Chair! >> Yanko Design

Looking from the side it looks like this


Looking from the top like this


Apparently it was two designers, Ralph Nauta and Lonneke Gordijn. It seems that it represents "the concept of the future of a chair three-dimensionally captured within the boundary of reality" ... .... If it is told, it may not be such a feeling.