|Occupation(s):||High school student (second-year)|
|Affiliation(s):||Sanada East High|
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The twin tails of the High School Girls are Funky trio and also a student of Sanada East Girls High. She usually goes along with Yanagin and her wild ideas.
Ikushima has dark blue hair tied up in two twintails. Her outfit varies, but her most common is a white long-sleeved shirt with a grey sweatshirt and a red-brown plaid skirt. She also wears navy blue knee-high socks with penny loafers.
She is usually a hyperactive girl who (along with Yanagin) suggests strange ideas, which generally causes a commotion. Ikushima specializes in wrestling (although during most scenes, she doesn't display her skills too well). While coarse in her behaviour at times, she is sometimes put off by Yanagin's level of vulgarity
Ikushima seems to have met the other members of her trio well after junior school, as she seemed to be unaware of the story of the Archdemon.