The World God Only Knows: 4 Girls and an Idol
Kami nomi zo Shiru Sekai: 4-nin to Idol · 神のみぞ知るセカイ ４人とアイドル
Synopsis
An OVA bundled with the 14th volume of the manga, animating chapters 54 and 55 from the 6th volume of the manga.
Studios: Manglobe, NBCUniversal Entertainment Japan, Shogakukan Music & Digital Entertainment, Shogakukan-Shueisha Productions
Source: MANGA