Currently unplayable character from [[Blue Archive]]. President of Millennium's student council, Seminar. Nicknamed "Big Sister", in reference to [[Big Brother (1984)]].
Her full name is Tsukatsuki Rio.

h4. Related tags
h6. Appearance includes:

[[long hair]], [[black hair]], [[blunt bangs]], [[red eyes]], [[bright pupils]], [[large breasts]]

h6. Apparel includes: 
[[hairclip]], [[white sweater]], [[turtleneck sweater]], [[black suit]], [[id card]], [[black skirt]], [[pleated skirt]], [[black pantyhose]], [[thigh holster]], [[black footwear]], [[wristwatch]]. Carries around a [[tablet PC]].

Original artist: [[mx2j]]

* !post #5913065: Official art
調月リオ ビッグ•シスター 츠카츠키리오 リオ