The fifth installment of the erotic drama series set in Hokkaido from the 1940s to the 1960s, a time when the scent of the good old Showa era lingers, and on an island in the Seto Inland Sea as the era transitioned to the Heisei era. A beautiful mother and daughter are toyed with and violated by a devilish family. The daughter, who still bears the trauma of being violated by her family, seeks happiness even after being abused and violated in her husband's home, and struggles in agony. In a heavy-hitting scenario that is hard to believe is romantic porn, talented AV actresses, pink actresses, and mature actresses from small theaters compete with each other in their sensual skills, allowing for raw penetration, in a healing and swaying erotic theater.