Episode 1 Special Succubus Setogaya Mari is a half-vampire and she can't handle drinking blood very well. Mari can also obtain other bodily fluids as long as it's in the form of life energy. So Kanzaki - her latest victim suggests she take her meal from his semen instead.

Episode 1 Episode 2 Hiro and Kouji are two childhood friends who debate the true meaning of friendship and dare each other to see just how far they can physically extend their relationship and still remain ‘just friends.’ So begins a series of frantically comedic and kinky ‘ friendship’ tests...