Chapeau Baa acts as the hat companion to Enbi, serving as the counterpart to Chapeauji who aids Enma. Her key function is ensuring Enbi's temper remains in check by singing soothing lullabies to maintain emotional balance. Approximately 200 years before the series, she was married to Chapeauji, though they are now divorced. Despite this separation, Chapeauji holds deep affection for her beyond mere sympathy. Chapeau Baa speaks with a distinctive style, peppered with frequent English words and a noticeable English accent.