AniList isn't answering right now, so you're seeing data saved 2m ago. It may be a little out of date. This page will refresh by itself shortly.

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