Secret Intelligence Service
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|English name:||Secret Intelligence Service|
|Active Members:||Tsutomu Akai, Mary Sera|
The British Secret Intelligence Service is often known as MI6.
- Tsutomu Akai: Presumed dead, Tsutomu is a MI6 agent and Mary's Husband. He disappeared 17 years ago during the investigation of the double murders of Kohji Haneda and Amanda Hughes.
- Mary Sera: Currently shrunk by the APTX 4869. Mary swore vengeance on those that shrank her. Vermouth poisoned her, but expressed regret that she couldn't disguise herself as Mary to infiltrate MI6 for the time being.