The cast takes a vacation after resolving the conflict in the demon world.

When his oddball father suddenly decides to remarry, high school student Toujo Basara is about to acquire some very peculiar new family members. Enter his new seductive step-sisters, Mio and Maria. When Basara discovers that one of his step-sisters is a succubus and his other a recently crowned demon lord, all hell breaks loose!
 
Basara is almost forced into a contract with his demonic sisters where he would act as their eternal servant—but something goes wrong. Instead, a reverse contract is formed, and Basara becomes the master. Between fending off their seductive advances to coping with the attacks of rival demon contractors, Basara has a big learning curve if he is to survive.
 (Source: Seven Seas Entertainment)

A special included on the Blu-ray/DVD volume. Super deformed versions of Mio and Maria narrate Basara's various erotic encounters.

An OVA that was bundled with the seventh volume of the Shinmai Maou no Testament manga. 
 
What’s the best way to celebrate a birthday? Well, to the succubus Maria, there’s only one thing to do—get Mio and Basara to hook up! Using the guise of Mio’s birthday, and a lust spell, she’s determined to have the perfect setup for a sexy celebration. 
 
(Source: Funimation)

Tags