An unaired OVA episode of Kore wa Zombie Desu ka? of the Dead. It is the 11th episode and was bundled with the sixth volume of the manga.
Source: MyAnimeList
Other anime produced by Studio Deen.
Availability may vary by region.
*** Passionate (***パショナート)
Koi no Beginner Nan Desu (T_T) (恋のビギナーなんです（T_T）)
Other anime that aired alongside Is This a Zombie? Of the Dead OVA.
