Born and raised in Nagoya, Japan, Imagawa is an expert at gaining entry in high risk areas. A skilled martial artist, she joined the National Police Academy when she was 18 years old. Nicknamed Hibana due to her explosive leadership on the field, she acquired a rare tactical versatility while training with the FBI SWAT and GIGN. A team player and expert at onrush tactics, she was recruited by the Aichi Prefectural Police Department Special Unit.