The mother of Hachikuji Mayoi. Initially, she and Hachikuji's father had true love for each other, though it later died out when they got married, resulting in a short lived marriage. They remained other the same roof for a year until she left, but had to agree to never seeing Hachikuji again. Later, Hachikuji runs away on Mothers Day to see her mother once again, but unfortunately fails after the tragic accident. After the accident, her mother moves away, resulting in an empty plot of land where her residence was.

Spoiler

In Kabuki, Hachikuji does meet her mother again and the two have a heartfelt reunion.