FBI female agent came to Japan
She is a female agent who is famous in the field of criminal psychology despite her young age.
Toru Amuro suddenly discovered that she was the sister of Jinpei Matsuda. After Matsuda died in the line of duty, she went to the United States and was adopted by an agent who was one of the founders of the FBI.
He finally has someone, someone who can temporarily transform him back into Jiang Guling.
Purpose: Mutual salvation, mutual rescue