Toko is around 18 years old. She's 1,64m tall and weighs 47kg. she likes romance novels and and dislikes mangas. She wears a schoolgirl outfit with a long skirt, her hair is in two braids and she has round glasses. She has experienced bullying in her childhood which made her gloomy and a bit weird. Toko has a split personality with her alter being genocide syo, who is a well known serial killer. Syo carves the amount of her victims on tokos thigh so she has scars there.