G-cup beauty Mahina Amane, a seductive and affectionate woman skilled in erotic techniques, gradually opens the heart of her virgin boyfriend as they begin a one-month cohabitation. He's never properly talked to a woman before, but he slowly falls for the gentle and devoted Mahina. Soon, he becomes addicted to sex and starts craving intercourse daily. In their private, intimate setting, how will she act toward him as a woman? A documentary of their passionate cohabitation you won't be able to look away from! "I'll support you with everything I've got!"