The World God Only Knows: Flag 0
Kami nomi zo Shiru Sekai: Flag 0
#30 Most Rated · 2010#12 Most Popular · 2010
Short prologue OVA, bundled with manga volume vol.10.
Elsie receives from Docrow Skull, hell's branch chief of "counter measures", the task to go on earth and capture evil spirits that have escaped from hell.
