Ranko Morioka (森丘 藍子 Morioka Ranko) is the oboist of the Icy tail band who is a is a casual otaku fan, and a minor character in the series.
Ranko is a girl of average height with long green hair that is tied into twin tail which are laid on her shoulders, tied with white headbands with pearls and green eyes. Ranko is usually seen with normal Tsubaki Girls Senior school uniform.
Ranko is a quiet and calm girl who also seems to be experienced in Data Processing.
- Ranko's surname Morioka means "forest" (森) (mori) and "hill" (丘) (oka).