Edens Zero Vol. 1

Set in a fictional spacefaring universe in which humans, aliens, and sentient robots live, Shiki Granbell is the sole-human inhabitant of a planet of robots called Granbell and is an Ether Gear user who is able to control gravity. One day, the planet is visited by a girl named Rebecca Bluegarden, an amateur B-Cuber who is recording videos for her online account, and her cat robot compassion Happy. After befriending the two, Shiki leaves the planet in order to journey into the cosmos in search of new friends and Mother, the creator of the universe. Before long, he is given an interstellar warship named Edens Zero and begins traveling the cosmos together with Rebecca and Happy and making new friends along the way.
Notice: This book is written in Japanese.