|Family|| Yamada Naomichi (son)
|Manga Debut||Round 149|
|Anime Debut||Round 45|
Nothing is revealed about her past prior to her introduction. It is known that she has moved to different places regularly for the past years. She also reveals that the reason why they move so often is her husband's work. In the Hajime no Ippo series, it is shown that she and her family moved to Tokyo, and then from Tokyo to Aomori.