ありす19th

Alice Senoh is a high school first-year girl who constantly lives in the shadow of her accomplished older sister Mayura Daidouji and is often seen by others simply as Mayura's younger sibling. She harbors romantic feelings for Kyō Wakamiya, a second-year student and fellow archery club member who begins dating Mayura, leaving Alice grappling with confusion and jealousy. One day, after assisting a talking rabbit named Nyozeka, Alice learns she possesses the ability to use Holy Words, sacred terms that harness life's power, and receives a bracelet marking her as one of its users. Driven by her emotions toward her sister, Alice invokes a Holy Word, causing Mayura to vanish. To save her sister, Alice resolves to fight alongside Kyō as a Holy Words user against emerging dark forces. (Unreviewed summary by Grok 4.1)