Miyuki Nanase

Miyuki Nanase (七瀬 美雪 Nanase Miyuki), also know as Yukiko Hoshino (星野 由紀子 Hoshino Yukiko), is the assistant in evil to Yakumo Saitou's biological father who is a product of adultery of her de jure paternal grandfather and her mother and has been abused to her "father" (half-uncle).

With the guidance of Yakumo's father, she killed the three to get relieved and she is jealous to Yakumo for his father's attention to him.

Appearance
Miyuki has blonde hair that it worn in a high ponytail, dark-golden yellow eyes and pointy oval-shaped glasses.

Personality
Miyuki is shown as being a physically strong, mentally twisted and very loyal woman to Yakumo's father.

Etymology

 * The name Miyuki means "beautiful" (美) (mi) and "snow" (雪) (yuki).
 * The alias name Yukiko means "reason, cause" (由) (yu), "chronicle" (紀) (ki) and "child" (子) (ko).
 * Miyuki's surname Nanase means "seven" (七) (nana) and "swift current, rapids" (瀬) (se).
 * Her alias surname Hoshino means "star" (星) (hoshi) and "field, wilderness" (野) (no).