Yuuki and Yura were best friends in their school days, but after graduation they became estranged. However, when Yura's husband was transferred to Tokyo and they moved to a new house, she happened to meet Yuuki, who lived next door. However, since Yuuki and Yura separated, he married a man who belonged to an anti-social group, had tattoos on his body, and became a sex slave. Yuuki's husband also had his eye on Yura's beauty, and he plotted to make her his sex slave just like Yuuki...