Benio Amou is a major character in the anime series 'Busou Shinki.' She is a Shinki, a type of small, personalized combat robot designed to assist humans. Benio is characterized by her samurai-themed appearance and her strong sense of honor and duty. Throughout the series, she often demonstrates her loyalty to her owner and her dedication to protecting those she cares about. Her combat skills are exceptional, making her a formidable opponent in battles. Despite her tough exterior, Benio has a caring personality and often acts as a big sister figure to other Shinki.