rio (blue archive)
調月リオ ビッグ・シスター 츠카츠키리오 リオ 调月莉音 莉音
A 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.
Her firearm is a M1911 pistol.
Has very long black hair decorated with a single hairclip and ringed red eyes with white pupils. Wears a white turtleneck sweater underneath a black blazer with a id card. Also wears a pleated skirt over pantyhose, a holster strapped to her thigh, and black high heels.
She is often seen with a tablet PC.
Original artist: mx2j
Voiced by: Lynn