Kai has found a new life in another world. He found a new home and even a family. He lost almost everything just overnight. An ancient city was revealed to him, and then he was able to take revenge... Now his path lies to the east, to the capital of the empire, Alcaeus. To where his fake, but dear sister went. To where the strongest sect in the country is located, and where he can continue his development... Development in a world where strength and skill rule. Martial arts rule!