RPD-011 A History Of Showa Sex Crimes - Continuous Creampies In Kanoke - Sexual Abuse Incident

I would be lying if I said I was raped and didn't feel any pleasure... When Saki visited the grave of her late mother (Maki), she met an old farmer who told her about her mother. When Saki was innocent, he lost his mother, investigated her hometown where nothing was known, and learned about an incident thirty-four years ago. What triggered this incident? What is the purpose of the creampie rapist?