Ecco la trama:
"In the company of the talking kitten Happy, young Rebecca travels the world recording videos to share on the Aoneko channel, a type of YouTube in the Edens Zero universe. One day, the duo goes to the Kingdom of Granbell, an abandoned amusement park, inhabited only by robots. The two were having a good time, when a mysterious boy emerges who presents himself as Shiki. Who is this boy and what would he be doing in this place with robots?!"