Nao’s Trinity Seven manga inspired a 12-episode television anime series that premiered in October 2014, and Crunchyroll streamed the anime as it aired in Japan.
Trinity Seven: Heavens Library & Crimson Lord (Trinity Seven: Tenkū Toshokan to Shinku no Maō), the second film in the franchise, opened in Japan in March 2019.
The Trinity Seven: Eternal Library & Alchemic Girl film opened in Japan in February 2017.
The song’s single release will ship on October 14 as Takatsuki’s solo artist debut.