SHKD-794 Undercover Investigator Sumire Rebellious Gunshot Sumire Mizukawa

Sumire goes undercover under the name Yuri in order to destroy the underground organization Izawa-gumi. He was steadily making preparations to seize the opportunity for a major transaction that was to take place soon. However, what is the true purpose of her boss, Oki, for sending Sumire into the organization?