The fourth installment in a series based on actual rape cases that occurred between 1989 and 1993, deeply rooted in the socio-cultural context of the Showa era. This entry draws from six carefully selected incidents to authentically recreate the atmosphere of the time. Featuring powerful, realistic performances by top AV actresses, the film masterfully blends period-accurate settings with intense, lifelike portrayals, vividly resurrecting the dark underbelly of Japan's Showa period.