One day, a honest and cute succubus, Kururu, descended upon me. This demon, who suits the word 'devil', said she couldn't return until she absorbed 2000 shots of sperm. Thus began the days of sex, fellatio, and gokkun with the succubus who became a secret lodger in my family. At first, Kururu was only a selfish being who took my sperm, but as time passed, she became a precious existence...