But when that kindly old scientist passed away, poor Key was left behind, lacking even the ability to smile.
Originally released between 1994 and 1997, the series was directed and written by Hiroaki Sato with character designs by Keiichi Ishikura.
Originally released by Viz Media before getting picked up by Discotek Media, Crunchyroll is now streaming one of the stranger and more engaging series that have come out here with Key the Metal Idol.
The fifteen episode series is streaming in its original Japanese language with English subtitles here.