Miss Monochrome (ミス・モノクローム, Misu Monokurōmu) is an original character created and voiced by Japanese singer and voice actress Yui Horie, first appearing as a 3D virtual singer in March 2012 at the concert The Adventure Over Yui Horie III ~Secret Mission Tour~ (堀江由衣をめぐる冒険III～Secret Mission Tour～, Horie Yui o Meguru Bōken III ~Secret Mission Tour~).

A 13-episode anime television series by Liden Films aired in Japan between October and December 2013.

Miss Monochrome: The Animation (ミス・モノクローム -The Animation-) was produced by Liden Films and aired on TV Tokyo between October 1 and December 24, 2013.

[2] The theme song is "Pokerface" (ポーカーフェイス, Pōkāfeisu) by Miss Monochrome (Yui Horie).

Towards the end of 2015, she became a playable character in the online RPG Shironeko Project as part of a collaboration event with COLOPL.