On May 3, 2016, Shiina released and wrote the lyrics for the song "Makai Shinjū", which was produced by Kenta Matsukura. The single was released with "Mitsu to Batsu" as a double A-side. On December 14, 2016, she released "Dogeza Road" on digital services as a collaboration song with Village Vanguard. On May 3, 2017, she released the song "Ba-Ba-Bah-Ba-Baumkuchen" as her fourth single, which was used as the ending theme to the television program Mutoma 2. The single included the song "Geboku Gebo Gebo!!" as a double A-side. On November 20, 2018, Shiina released her fifth single, "Fukanzen na Boku to Kanseisareta Kaisha", with "Hate! Hate! Hate!" as its leading track.
