一剣

"I see that you've been taking care of Kijuurou-sama."

One of a pair of twin maids who serve Hikawa. They entered service at 14, and now they are 74. Apparently retain their youthful looks from Hikawa's surgery.

Hirotsurugi, the elder, is a serious person, and she distrusts Tamamori, thinking that he may be deceiving Hikawa, currently judging whether he is fit to be Hikawa's friend.

Her full name is Namiki Emi.