A DEVILISH DOUBLE DATE! High school student Toujo Basara has it made--no less than four hot women are living with him, heroes and demonic step-sisters alike! The curse that binds them can stoke passion at a moment's notice, and with a succubus in the house, just about anything can take a sexy turn. A double date, a day at school, a chance encounter with his teacher...Basara seems to find romance wherever he looks. But what will happen when he runs into an old enemy? The Testament of Sister New Devil- Storm is a mature companion series to The Testament of Sister New Devil. Both series can be read together or independently.