Shiraishi 白石 Shiraishi) is Natsuki's classmate who revealed to Takumi that Natsuki was engaged in an Enjo-Kosai affair to an old man in a Mercedes-Benz, who in turn is her father, as her way to earn a living and pay her debt. She informed Takumi on the phone as she cried. She is a Manga-only character, and has never appeared in the anime. She wears glasses and has black hair tied in pigtails. She seems to has crush on Takumi, she also give Takumi a Valentine's chocolate gift in the last school year Valentine's day before they graduate. She does however makes an appearance in New Initial D Movie Legend 1.