Kure-nai Zero

A prequel to the manga version, depicting the early days of how the heroine Tsuchimikado Kagura and Isayama Yomi first met. The Tsuchimikado family has protected Kyoto for generations. During a battle with a powerful evil spirit, the wife of the current head of the family, Tsuchimikado Garaku, died from her injuries. Obsessed with inheriting the strongest spirit beast "Hakuei" within his late wife's body, Garaku devoted himself to magical training and exorcising evil spirits, thereby neglecting his daughter Kagura, who was grieving the loss of her mother. However, Isayama Yomi, an adopted daughter of the Isayama family, gradually melted Kagura's closed-off heart with her bright personality, and their sisterly bond deepened as they spent time together daily. Yomi, who inherited the Isayama family's ancestral sword "Shishiou," serves as the main combat force of the Ministry of Environment's Super Natural Disaster Countermeasures Division in addition to her identity as a high school student, constantly eliminating various evil spirits. Driven by her admiration for Yomi and memories of her deceased mother, Kagura joined the division as an intern, becoming the beloved youngest member of the team. Days filled with brutal battles yet always brimming with warmth continued one after another; however, with the appearance of Yomi's older sister, Isayama Mei, cruel fate gradually dragged the two into it, leading them toward an inevitable tragedy...