Atlus

A boy named Atlus finds himself in Hong Kong to learn, but instead he and his humble hosts Kuo and Li-Hua start off their day a bit different than usual. A demon? A hidden past? Goddesses? What else could be worse than becoming a phantom with spectral system help him fight the goddesses that will send their unwilling and dying victims to another reality against their will?

Magic takes the world by storm while the protagonist is lost at sea for 9 years. Atlus is a 15-year-old boy who engrossed himself in storybooks and bizarre training schedules for the time he was stranded on a legendary ship. He is ready to explore the world and conquer the nine seas. But the kids of his generation who grew up on land live and breathe magic! On top of it, he leaves too many loose ends while escaping from the navy. He has a vague idea of why he is wanted. However, even the top officials only know bits and pieces about the 20 ships identical ships that disappeared 9 years ago. The empire won't stop until they captured him, and he won't stop until he is the strongest person who freely roams the world.

Yuu Maxwell's life was pretty normal at first with her foster sister Riku Maxwell until parents were killed from assassin who was after Yuu. Yuu and Riku manged to escape and meet a girl named Mei Himura, a person who works under Knight of Atlus to stop a threat lurking in the shadow, Yuu helped Mei with her mission; little did Yuu knowns that her life will change forever.