Shiki Granbell  

Gravity Boy, シキ・グランベル

A young man resided on Planet Granbell alongside mechanical beings. He possessed the ability to control gravity using his Ether Gear, enabling him to effortlessly glide through the air. Accompanied by Rebecca, they embarked on a journey into outer space with an initial objective of befriending 100 individuals. As they commenced their adventure, they sought out "Mother," marking the beginning of their quest.