|Anime||Detective Conan Episode #666|
|Appears in||Anime only|
Toshiaki Ashida is the brother of Mio Ashida. He died due a traffic accident 1 year ago, which Mio claims that the killer is Yoshizumi Karashima was the one who killed him, because he was drunk when the accident happened. According to Mio, he had a car accident a long time ago when he was drunk and swore to himself that he will never drive a car ever again.