Hisako Arato is a supporting character in the anime series 'Shokugeki no Soma', also known as 'Food Wars'. She serves as the secretary and close friend of Erina Nakiri, one of the main characters. Hisako is renowned for her expertise in medicinal cooking, utilizing herbs and ingredients with healing properties. Despite her calm and serious demeanor, she is deeply loyal to Erina and often provides her with advice and support. Throughout the series, Hisako's culinary skills and dedication play a pivotal role in various cooking battles and challenges.