|“||Would you like to perform the 'Sachiko Ever After' with me?||”|
—Corpse Party: Missing Footage (Tagline)
Corpse Party: Missing Footage (コープスパーティー Missing Footage Kōpusu Pātī Misshingu Futtiji ) is a one part original video animation (OVA) anime released on August 2, 2012. It is only available packaged with the limited edition version of Corpse Party -THE ANTHOLOGY- Sachiko no Ren'ai Yūgi ♥ Hysteric Birthday 2U.
This small OVA starts with the incident at Heavenly Host Elementary School, in which three small children were killed in the school's basement. After that, it shows what the characters did the night before the incident.