The police investigate the glass the gothic girl was drinking which holds Kuze's fingerprints. At the ghotic lolita shop where Kuze bought her clothes. The employee there revealed that the gothic clothes were sold in pairs causing Conan to receive an epiphany on Shoudou's allibi. Conan tranquilizes Kogoro and reveals that the gothic girl that entered the tea house was Shoudou and that the glass was pre-prepared with Kuze's fingerprints. As evidence, Conan reveals that the wound on Shoudou's hand reveals that she was scratched by Kuze while strangling her and that her blood must be in the public restroom somewhere. Soon after, Takagi calls confirming that a luminol reaction was positive in one of the stalls and that a test will prove whose blood it is. Shoudou confesses and reveals that Kuze caused her to lose her boyfriend, housing, job, and friends as Kuze wanted Shoudou all to herself.