At the same time as the broadcast of the newly-produced special anime episode “Detective Opera Milky Holmes: Arsène Kareinaru Yokubou (Arsène: The Grand Desire)” in Japan on December 31, 2017, Bushiroad Music’s official YouTube channel posted a short version music video for its theme song “Reflection” performed by the franchise’s four-member voice actress unit Milky Holmes.
The anime was aired during the three-hour special program “It’s New Year’s Eve!!