Ayako Kawasumi is a Japanese voice actress and singer. She is affectionately referred to by her fellow voice actors and fans as "Ayachii (あやちー)", "Peyaya ","Ayasumi (あやすみ)" and "Aya-nē (あやねえ)". She is a skilled pianist as she has played the piano since childhood. She performed "...To You", the opening theme to Piano, and played pianists in the anime Piano and Nodame Cantabile. She is one of the most prolific and well-known voice actresses in Japan. Throughout her career, she has voiced plenty of iconic and famous characters, such as Akari Kamigishi, Saber, Elie, Melfina, Nodame, Lafiel, Fuu, Leina, Aoi Sakuraba, Mahoro (Mahoromatic) and Natsuki Mogi.

Mahoromatic is a Japanese manga series written by Bunjūrō Nakayama and illustrated by Bow Ditama. The series follows Mahoro, a female android former soldier who, driven by guilt from her actions during her combat days, decides to dedicate the rest of her life to serving the son of her late commander as a maid. Originally serialized by Wani Books in Comic Gum magazine between 1998 and 2004, it was also compiled into eight tankōbon volumes.