Hentai Ouji to Warawanai Neko.: Henneko BBS
English title: The "Hentai" Prince and the Stony Cat.: Henneko BBS
Japanese title: 変態王子と笑わない猫。へんねこBBS
Type: Special
Episodes: 13
Source: Light novel
Genres: Comedy
Studios: J.C.Staff
Producers: Media Factory
Duration: 30 sec per ep
Rating: PG-13 - Teens 13 or older

Specials that were initially broadcasted as CMs starting in January 2013 and later included in BD/DVD volumes.