The title of this article is conjectural. Although it is based on canonical information, the actual name is conjecture and may be supplanted at any time by additional information.
The grandmother (祖母,grandmother) of Sakurako Sanjo whom she lived with Tokyo, Japan. Following the deaths of Sakurako's parents, the family was forced to live off her inheritance. She was often worried about her granddaughter.
After the deaths of Sakurako Sanjo's parents, she moved in with her grandmother and grandfather. Unable to fully support her, they lived off the small fortune left by her parents. After Sakurako had plastic surgery done, her grandmother frequently worried about her. At first, Sakurako denied being unhappy but later confided in her grandmother saying "I really have nothing at all. Not even a friend."
She was an elderly woman with grey or white hair, which she styled in a low bun. Her face and hands were lined with wrinkles. Sakurako's grandmother typically wore a traditional Japanese kimono.
In the anime, she is voiced by Midori Yamamoto (山本 緑,Midori Yamamoto) in the episode "Get Lost!!." Her personality and appearance are carried over from her manga counterpart. She apparently is aware of Sakurako's self-destructive behavior, which causes her to worry. Sakurako confides in her grandmother about her looks not fulfilling her like she thought. In a later episode, Sakurako claims that her grandmother's cooking is the best.