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.