Girlish Number (ガーリッシュナンバー, Gārisshu Nanbā, stylized as gi(a)rlish number) is a Japanese multimedia project. It launched in the March 2016 issue of ASCII Media Works' Dengeki G's Magazine as a serial novel written by Wataru Watari, with illustrations by QP:flapper and Yamcha. A manga series drawn by Yūki Dōmoto is serialized in Dengeki G's Comic. A 12-episode anime television series by Diomedéa aired from October to December 2016.
The story revolves around Chitose Karasuma, a voice actress who has been working in the anime industry for a year. Although she believes she is talented, she thinks the anime industry is rotten as she has only been voicing minor characters. One day, an opportunity arises for her to voice a main role in an upcoming anime adaptation of a light novel as an idol voice actress with four other girls.