Known for their custom of the Bear Sacrifice, for 10 points, identify this ethnic group inhabiting the island Hokkaido in northern Japan noted for their light skin.
A tossup on this group followed a tossup on the Wannsee Conference in Round One of Gaddis. Members of this ethnic groups constructed knives called makiri for use in courtship, and this culture's houses had a central window called the rorun puyar and a willow stick called the inaw representing the houses's spirit. (+) The towns of Shiraoi and Akan are modeled after villages of these people, and today the chief tourist center of these people is at Nibutani. The creation god of this people was known as Kamui and they believed that the world was located on the back of a giant trout, and one ceremony of this people uses (*) strangling poles to restrain an animal while it is shot in the heart with a bow and arrow. Although some members of this ethnic group can be found in the Kuril Islands and on the island of Sakhalin, most live in the Hidaka district southeast of Sapporo. Known for their custom of the Bear Sacrifice, for 10 points, identify this ethnic group inhabiting the island Hokkaido in northern Japan noted for their light skin. 
A tossup on this group followed a tossup on the Wannsee Conference in Round One of Gaddis.
Ainu People 