Sayu Yagami

Sayu Yagami is the kind-hearted younger sister of Light Yagami who plays a minor role in the main storyline, remaining unaware of Light's possession of the Death Note and his role as Kira. Sayu has upper-back length chocolate-brown hair and brown eyes. As a child in the first part of the story, her hair is pulled back in a ponytail with bangs hanging on the the right and strands of hair that frame the sides of her face. As an adult during the second part of the story, she wears her hair down and her bangs remain swept to the right side.

In line with Sayu's age and grade in school she demonstrates age-appropriate behavior, such as watching shows starring Hideki Ryuga and asking Light for help with math homework. She seems to look up to Light, as she recognizes his intelligence and believes that he will become a quality detective. Th...