The Devil's Porn

As he enjoys the days of his normal youth Touji Kiyoteru starts living at the house of his late grandmother, who had mysterious powers.
Then, among the mess inside, he finds a blood pact his grandmother used to summon a demon familiar!
All of a sudden, a butt naked demon appears and says he's hungry. As he starts sucking mana out, Kiyoteru gets horny…?!
Kiyoteru is a super sadist, while the demon is a super masochist… (Renta)