ざんこ 恐子
[[aruko_okara|ARuKo]]'s companion, often seen in art together. A young girl with [[long hair|long]] [[blue hair]] and [[glasses]], wearing a [[domino mask]] underneath them.  

She may or may not be based on "Da Vinci Osorezan (ダ・ヴィンチ・恐山)":[https://www.youtube.com/@d_v_osorezan], co-host of [[Tokumei Radio|Tokumei Radio (匿名ラジオ)]] with [[arufa_faru|ARuFa]].
zanko