Mari, a college student, was living happily with her boyfriend Taichi, who is two years older, having promised to marry after graduation. One day, while Taichi was at his part-time job, Mari was kidnapped by a man. The kidnapper was someone who held a grudge against Taichi. To get revenge, the man thoroughly raped Mari, filmed it, and sent the video to Taichi. Taichi fell into a state of total despair, but the man's revenge would not end until Mari became pregnant...