Kuroha to Nijisuke: Kuroki Majo no Divertimento  

クロハと虹介 黒き魔女の嬉遊曲, Kuroha & Nijisuke: Black Witch’s Divertimento, クロハと虹介 黒き魔女の嬉遊曲〈ディヴェルティメント〉, 黑羽與虹介

The encounter between murokawa nijisuke and yoitsuji kuroha led to a change in her life, which was previously associated with the underworld. now that they have embarked on a new journey together, a new threat has emerged, targeting kuroha.