If it wasn't for the interesting concept of the manga, I would def rated it lower.
Very nostalgic feelings, but the structure regarding the plot is non existent. The situations are never fully explained, and the world building is none. I'm pretty sure if the author decided to go for more chapters that explained about the characters, their motivations and their own backstory, it would be a fairly good reading.
I am a fan of old dolly art in mangas, so I enjoyed a lot the illustrations, the only that that made me confused is that all male characters look the same so I couldn't tell who was who most of the time.
A very short read that will make you say "What just happened?" out loud, with def lots of potential.