|Japanese Name||八雲 樹|
|Romanized Name||やくも いつき|
|English Name||Yakumo Itsuki|
|Voice Actor||日高 のり子|
Yakumo Itsuki is a character from Battle Girl High School. She is one of the top Hoshimori students and is a teacher of the current generation and aids them as a guide during missions.
She is admired by Kusunoki Asuha.
Itsuki has ice blue eyes and short navy hair with a tent above her fluffy bangs. She wears burgundy oval-shaped glasses.
Itsuki wears a white button up shirt beneath a light grey jacket with darker cuff and lapel. Two buttons hold it shut, and at her neck is a chiffon ribbon. She also wears a dark navy skirt with a slit on the side, and black pumps.
When she was younger her hair was much longer with her forelocks and bangs on the right of her head. Her left side was tucked behind her ear and worn with multiple red clips.
A wise girl known as the brains of the group. She is frank and earnest, but very gentle and nice. She is considered the class representative due to this and her seldom seen "scary side" when angered.
- Her favorite food is Curry.