Kami nomi zo Shiru Sekai: Flag 0
Kaminomi: Flag 0 ／ The World God Only Knows: Flag 0 ／ The World God Only Knows: God of Conquest ／ 神のみぞ知るセカイ: Flag 0
Description
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.