Sono Mukou no Mukougawa

A young boy named Kudo Futaba enters an unfamiliar world after saving a girl named Kiara, who possesses significant power and is sought after by others who want to capture or kill her. He promises to guard her from those who pursue her and assist her in locating her missing master. The story is presented in a short animated format, released as part of the special Comic Blade Digital DVD available at Animate.