Haruki Sato is a married woman happily living with her husband, who works at a shipping company. But while he's away on a business trip, a strange man suddenly breaks into their home and violently assaults her. Helpless, she is brutally raped. As she struggles to open her battered eyes, she sees her husband captured and bound nearby. Desperate to save the man she loves, she submits to the attacker's every demand. The man, unsatisfied with mere torment, declares, "Just toying with you isn't fun anymore," and begins inserting his fingers one by one into Haruki's soaked panties. Witness Haruki Sato's first-ever fist fuck experience in this intense, humiliating ordeal.