Tomi Ichimonji (一文字(いちもんじ) とみ Tomi Ichimonji) often nicknamed "Baa-chan" ("Granny") is an old woman neighboring the Hirasawa household. She first appeared in the episode Finals!. She is very kind and has been caring for Yui Hirasawa, Ui Hirasawa and Nodoka Manabe since kindergarten, often giving them any extra food that she has. Yui is especially fond of her, and enters a local talent show alongside Azusa Nakano in order to win a spa trip for her. In Marathon Tournament!, she helped Yui, who tripped and got hurt during her school's marathon.