The audition page for "Stand Up! Project," 5pb's contest for aspiring idols, outlines the benefits the winner will receive, such as a chance to sing a theme song for a television anime. This announcement has the logo for 5pb's Steins;Gate: Hiyoku Renri no Darling video game spinoff. The text underneath the logo reads:

We are making the original work for an anime, so there is a chance to sing the theme song!