A powerful, immortal being from another plane of existence who has insatiable thirst for sadism. They say those who call her name are to be brought lifelasting misery. After forming a forced blood contract with Kamui, Asura took interest in his and Katsuki's relationship once she learned that Katsuki had memories of one of her alternate lives. Currently, she is trying to track someone of interest down and knows that Katsuki knows their whereabouts.