Minako lost her husband in a freak accident. One day, in her despair, she receives an unexpected visitor. It is some thugs from the victim of the accident. Taking advantage of the fact that the truth is unknown, the thugs start a fight with Minako. Minako is forcibly subjugated, tied up, and turned into a sex slave for the beasts. Although she has already lost her dignity, the hole in her Kokoro somehow feels filled every time she is violated...