overall: kinda good anime. nothing special. it's average.
similar to: made in abyss. (but made in abyss is way awesomely better)
also similar to: from the new world
the plot. the plot is average. nothing special nothing bad.
the story/concept. the story is good. I like the concept of being stuck in the middle of a sea of sand. this strange world reminds me of made in abyss.
character development. average
animation/musics. these are really good. I like the op and the ending. also, I like the color scheme, it goes well with the concept.