Mrs. Asano is the wife of Takashi Asano. She moved with him, when his job transferred him to Tokyo.
Her and Takashi are assumed to be married sometime before the summer of 1997. In March 1998, she and Takashi move to Tokyo for his job transfer.
One of Takashi's friends describes her as being pretty.
Mrs. Asano is possibly unaware that Takashi has cheated on her with Nana Komatsu. It is also hinted that he still cheats on her. How they feel about one another is never made clear.
- "Nana – Nana Komatsu" (First mentioned)