Edens Zero

Shiki is a boy with the power to control gravity, raised by robots on the planet Granbell. One day, a girl named Rebecca discovered him and convinced him to leave his home and travel through the wondrous Sakura Cosmos in search of adventure. Then he learns that his guardian, the Demon King, had once traveled the stars himself on a grand quest. Inheriting the Demon King's ship, the legendary Edens Zero, Shiki embarks on a quest to find new friends and seek out the fabled space goddess known as Mother.