An energetic girl who happens to be Hinako's classmate and childhood friend. However, she is often sick and therefore, absent from school. After "the incident", Miko was the only one to treat Hinako normally. She dislikes Shiori, but is not necessarily enemies with her.

Spoiler

She appears to be human, but she is in fact a fox spirit with an appetite for human flesh. She calls in sick to fight her instinct to eat other humans. After failing to protect the rest of Hinako's family, she tasked herself with protecting Hinako from other monsters.