She is the journalist or head of newspaper in the Sket Dan franchise.
As a journalist, she thinks her newspapers articles were not getting enough attention, but only Reiko shows interest in her seven mysteries column.
Takakao Shimada, who is created by Kenta Shinohara, has no information regarding any inspiration used to create her. She first appears in Sket Dance episode 5. Her Japanese voice actress is Yuuka Nakatsukasa.