第 3 集: 木崎試圖與莉昂和法倫進行史無前例的雙重愛之儀式，以擊敗強大的污穢。
2018年10月24日 播出
In order to defeat Impurities that turned out to be far stronger than expected, Itsuki is pressured to perform a "Double Love Ritual" with two maidens at the same time. It is said to produce powerful Star Children, but it has never been performed before. Itsuki steps into uncharted territory, following the lead of onee-san maidens Leone and Falun. (Source: Conception Wiki)