|Rōmaji||Hiro no Haha (lit. Hiro's Mother)|
|Current Residence||Tokyo, Japan|
|Hair Color||Light brown|
|Relative(s)||Hiro Hayami (Son)|
Ms. Hayami is the single mother of Hiro. She and her son lived in poverty together, and although she often neglected him, Hiro still loves her, and considers her "the best mother." She cried when she heard her son's true feelings for her. Although she was once unemployed, she currently works at a retirement home.