On May 26, 2018, Hisayoshi Hirasawa announced an anime adaptation in the fourth volume of the manga.[8] The television series is directed by Hisayoshi Hirasawa, with animation by studio Saetta.[1] Satsuki Hayasaka is the character designer, and WORDS in STEREO is credited with series composition.[2] Creators in Pack is credited with animation cooperation.[1] The series premiered on TVA, Tokyo MX, and AT .[28] After the series' conclusion, it was reported that a second season would be produced.[29] The season, named Yatogame-chan Kansatsu Nikki 2 Satsume ( 2), debuted from January 5 to March 22, 2020, with the same cast and crew. LEVELS joins Creators in Pack in the animation collaboration.[4] +/Alphakyun provided the second season's opening theme tune "Imaginary Love" . On September 25, 2020, it was announced that the series would be renewed for a third season.[32] The season, titled Yatogame-chan Kansatsu Nikki 3 Satsume ( 3), aired from January 10 to March 28, 2021, with the cast and crew reprising their roles.[33][34] The opening theme song is performed by Taiki and is titled "Don't Be a Weed Soul!" (!, "Zass Damashii Namenna .[36] On November 23, 2021, the series' fourth season was confirmed. Hayabusa Film produced the season, named Yatogame-chan Kansatsu Nikki 4 Satsume ( 4), with Creators in Pack credited with animation collaboration. It will air on April 9, 2022, with the remainder of the principal cast and crew reprising their roles. A week earlier, on April 2, a special announcement show will air.[39] Akira Ouse will perform the opening theme song .[40]