What is the real meaning of Sister outside the field of Detective Conan?

It is MI6, sister's English "Sister", domain English "territory" and the root of "territory" is "Terri", while "foreign sister" means to remove the "ter" of "sister" and keep "Sister", which is the abbreviation of MI6.

The younger sister outside the stadium is the mother of Akai Shuuichi and Sera Masumi, that is, the woman named Mary whom Conan met at the seaside, but she is younger than herself. She has outstanding reasoning ability and superb fighting skills. She is British.

In the cartoon 1037, the story about the Akai family is full of dry goods. Shi Liang directly asks Xiao Ai about the medicine, the real purpose of the Akai family 18 years ago, and the real significance of their sister.

/kloc-Akai Shuuichi, who was only 15 years old eight years ago, flew from England to Japan with 1 1 year-old Blanche Xi and his mother Liang Shi Mary.

Haneda Kouji is a friend of his father Akai tsutomu. In order to investigate Haneda Kouji's case, Akai tsutomu offended a terrible man. In order to keep his wife and children from danger, he moved them from England to Japan. At that time, Mary Shi Liang was pregnant with Sera Masumi.

On the other hand, in order to help her mother get an antidote to her health, Shiliang and Xiao Ai got closer and closer, and even confidently said the medicine of "going back in time".