Mary

メアリー

Mary currently lives in a hotel with Masumi Sera, and according to Conan she appears to be middle-school aged. Little is known about Mary's background, though she appears to be very cautious, especially with regard to meeting other people. [Spoiler] Mary is the mother of Shuuichi Akai, Shuukichi Haneda, and Masumi Sera. [/Spoiler]