Conan Pointed Out the Murderer at the Beginning

When I woke up, I became a man named Haga Kyosuke. Now there is a sleeping old man in a suit sitting in front of me, and a kid with a big head in a suit is squatting behind him, calling me a murderer. Although I am known as the most handsome murderer in Conan and have an absolute sense of music, I do not intend to surrender! Urgent! Waiting for escape method online! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.