Undercover Investigation By Sumire The Treacherous Gunshot Sumire Mizukawa - Sumire Mizukawa.

In order to destroy the back organization Izawa-gumi, Sumire goes undercover under the name of "Yuri". She was steadily gearing up to catch the big deal that was about to take place. However, what is her boss, Oki's true purpose in sending Sumire to the organization?