Onigashima has red hair in a chin-lengh bob with a thin ahoge that sticks out at the top. She also has a fang on the left side of her mouth. She is most often seen wearing the itan school uniform. The ends of her hair spike up like homs when she is mad. two personalities. The first is her most common one: a bubbly, cheerful The second, however, is the complete opposite of this: whenever something irritates her, she becomes extremely, uncontrollably angry.