Osawa is a man who uses chain mail to hunt for women he likes and make them his sexual prey. Investigator Kashii Maina uncovers Osawa's clever criminal methods and heads to his hideout, but ends up being taken hostage and held captive. Osawa's vile entertainment... Maina is offered by Osawa that if she can endure being raped by Billy, a foreigner with a thick penis, she will be released along with the hostage...