Mary

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.

~!Her fullname is Mary Sera. Despite her appearance, she is actually a middle-aged woman; wife of [Tsutomu Akai](https://anilist.co/character/128449/Tsutomu-Akai), and the mother of [Shuichi Akai](https://anilist.co/character/12051/Shuuichi-Akai), [Shukichi Haneda](https://anilist.co/character/128047/Shukichi-Haneda), and [Masumi Sera](https://anilist.co/character/41833/Masumi-Sera). !~
~!MI6 agent!~