Seikaku Sōryū is a travelling medic and a member of the Sōryū Family. From the age of 15 he left the safety of his home and resolved to travel the world. Unbeknownst to many, this young wanderer has a hidden motivation for his decision and only time will tell where his dark mission will lead him. When asked by others about the purpose of his travels he usually remarks that it is to uncover the "truth".