Yamazaki is a hero from Welcome to the NHK. When Sato after months of being forced to hear a stupid song coming from his appartment, kicked his door in, he learned his neighbor was Yamazaki. The two became pretty good friends. Yamazaki went to school, but he also got Sato into making a gal game with him. He is very loud and gets annoyed pretty easily, and at one point sworn against all women before quickly changing the moment he was asked out. In the end he had to take his family's ranch over.