Also known as: 備前小夜子
The titular Slut Girl.
Bizen Sayoko is a buxom, uninhibited and full of attitude Prostitute with Tanned Dark Skin and silver hair. She is usually seen Smoking a Cigarette.
In Real Life the character was created by Isutoshi in the early 2000s. She is based in the Kogal and Ganguro stereotypes.