Having lost her mother at a young age, Ema was raised with love by her father and his childhood friend, Torajiro. Her peaceful, happy life takes a sudden turn when she gets her first boyfriend. Betrayal comes unexpectedly from Torajiro, the man she once admired like a father figure, as he forces his twisted affection upon her through rushed, intense sexual encounters that shake her emotionally. In the end, she experiences climax and gradually surrenders to his deranged love. This story depicts an adult corrupting a young girl, immersing her in his world, portrayed through erotic, taboo scenarios filled with guilt and forbidden desire.