Detective Conan: Silver Night

"To show your loyalty, drink this!" A bottle of black potion was placed in front of her, with WJ1392 clearly written on it. She drank it all without mercy. Her name was Muyin, which means the silver bullet in the night. Her real name was Kudo Shingin. She grew smaller at the same time as her brother Kudo Shinichi. Sneaking into the organization only for one thing - to find the antidote, forgetting everything, she transformed into Detective Silver during the day and Silver Killer at night to investigate all events until she found true love... "Shingin, I am your brother Kudo Shinichi, put it down!" She pointed the gun at Edogawa Conan, and Edogawa Conan called her the long-lost name...