Birthday: 19 July
Blood Type: A
Likes: Mackerel cooking, mystery novels, noon naps
Dislikes: Rainy days, tuna
The elderly woman is a part-timer who, though she has quit her job several times along the way, has served the family for a great many years in total. She is crafty and more than competent when it comes to performing her duties, but because of her chattiness and love of rumors, she is not highly regarded as a servant.
Kumasawa served Beatrice Ushiromiya in Kuwadorian, helped raise Yasu after they were found to have survived the cliff incident, and collaborated in hiding Kinzo's death. Kumasawa taught Yasu the meaning of magic and led to them becoming Beatrice.