The official music video for "Kyuuseishu" by the musical group Tsukuyomi, which served as the opening theme for the anime *The Most Heretical Last Boss Queen: From Villainess to Tycoon*, is now available to stream on YouTube. This single-episode music video offers a visual and auditory experience centered around angelic themes, complementing the anime's opening sequence. Fans of the series can revisit the song and its accompanying animation, while newcomers can get a taste of the show's aesthetic.