Collar x Malice Movie: Deep Cover

Ichika Hoshino, a young police officer, is tasked with countering a violent campaign by a shadow organization in Shinjuku, which has pushed the city to the edge of chaos. Her efforts are thwarted when she's attacked and a poisonous collar is attached to her neck. Five strangers, each with their own mysterious past, step in to help Ichika uncover the truth behind the organization's motives.