Hikari is a top student in the gifted youth program. She is Kanau's younger sister. once she met Taihei she thought of him as "Onii-chan". Hikari has long white hair. She appears to have white eyelashes. She apparently has brown eyes. She usually wears her school's uniform of white with red and sleeves, due to her small physique, the sleeves extend further than her arms but nevertheless leaves them as they are. She wears diamond barrettes in her hair.