Although Emma lost her mother at a young age, she was raised happily with lots of love from both her father and her father's childhood friend Tora-san. However, her happy daily life changed completely when Emma got a boyfriend... Tora-san, whom she adored like a father, suddenly betrayed her... But Tora-san continued to hold on to his twisted love, and at the end of a quick sexual encounter with him, Emma experienced a climax and began to accept his crazy love... A forbidden situation drama full of immorality, in which an adult colors a young girl in his own way.