The eighth volume of the light novel Shinmai Maou no Testament comes with an OVA episode featuring the same characters. In Part A, Maria is causing her usual mischief as she uses a new succubus video camera prototype to try and capture one of Mio's steamy dreams. Part B sees Basara being invited over to Sensei Hasegawa's apartment for dinner. However, he soon realizes that he's in for much more than just a meal as he receives unexpected hospitality.