The BL FES!!- Boys Love Festival!!- project revealed the two main cast members for the anime of Michi Ichiho 's Yes ka No ka Hanbun ka (Is It Yes, No, or Somewhere in Between?) boys-love light novel series on Tuesday. Atsushi Abe and Yoshihisa Kawahara are reprising their roles from the drama CD adaptation of the novels as Kei Kunieda and Ushio Tsuzuki, respectively.

The anime will debut as part of the BL FES!!- Boys Love Festival!!- project's first event screenings in Tokyo's Shinjuku Wald 9 and other theaters in winter 2020. A trailer for the film will debut early next year. The anime short of Naomi Guren 's Marudase Kintarō (Kintarō Bares it All) boys-love manga will also play in these screenings.

The Yes ka No ka Hanbun ka novels' story follows Kei Kunieda, a young and popular TV announcer who maintains a perfect facade in his professional life, but privately curses everyone around him as incompetent fools. However, a certain circumstance allows animation writer Ushio Tsuzuki to discover Kei's more acerbic side.

Ichiho launched the novel series with illustrations by Lala Takemiya in November 2014, and Shinshokan published the series' third volume in 2016. The series' first "OFF AIR" spinoff volume debuted in August 2017, and the second debuted on October 31 earlier this year.

The series ranked #1 in the novel category of Next BOOKS's Kono BL ga Yabai! list in 2016, #2 in 2017, #1 in 2018, and #1 in 2019. The series also ranked #3 in the light novel category of the Yomiuri Shimbun's Sugoi Japan Awards in 2017.