Reiko Date Wingfield is a prominent character from the visual novel series 'Fault!!'. Reiko is known for her elegance and athletic prowess, serving as a skilled tennis player and a rival to the protagonist. She comes from a prestigious family background, combining both Japanese and Western heritage, which is reflected in her full name. Her disciplined nature and competitive spirit often put her at odds with other characters, but she also displays a caring and supportive side, making her a complex and memorable figure in the series.