Take a Floating Island with You

This is a bizarre world. When humans reach the age of sixteen, they can obtain a floating island in a different world. On the floating island, you can develop livestock farmers and improve your own background. You can also recruit troops to eliminate monsters from other worlds and obtain resources. Some powerful floating island owners can even physically travel through space and appreciate the beauty of immortality. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.