Shouko and Yuzuru's maternal grandmother. A caring, wise woman, she cared for Nishimiya and Yuzuru when their father left and their mother was at work. She bought Yuzuru her first camera and tries to convince Yuzuru that her mother means well for both her and her sister.

Spoiler

Ito dies of old age and leaves a letter that Yuzuru asks Ishida to read at the funeral. The letter tries one last time to convince Yuzuru to forgive her mother, but she grows angry and does not hear the end of it.