First shot of an old lady documentary

Tsubaki Chiharu (40 years old) arrives on a bullet train from a certain town in Tohoku where snow is beginning to flicker. Today's purpose is "I want to have good sex." After getting married, Chiharu, a full-time housewife, was unable to stand her sexless life. I masturbate every day and have had an affair... Chiharu is so greedy for having sex that she's so happy! Three lewd performances with obscene flesh! !