Adventure

A gate appears in Tokyo’s Ginza district sometime in the 21st century. From the gate pours out monsters, knights from middle-age Europe, and other fantasy-like beings, and they kill many of the citizens of Tokyo. This event is known as the Ginza Incident.
The government sends a small group of soldiers from the Japanese Self-Defense Forces to the alternate world beyond the gate. Led by otaku soldier Yoji, they find that the villages in the world are being attacked by a dragon. An elf girl who is a survivor from the dragon’s rampage joins the group in their travels across the dangerous new world.

The journey to the martial peak is a lonely, solitary and long one.In the face of adversity,you must survive and remain unyielding.Only then can you break through and and continue on your journey to become the strongest. Sky Tower tests its disciples in the harshest ways to prepare them for this journey.One day the lowly sweeper Yang Kai managed to obtain a black book, setting him on the road to the peak of the martials world.