Sayuri takarada：对姻亲的性挫折 - 第1部分

Sayuri lives with others in an apartment. Her husband is indifferent and always frustrated. One night a boy, who is interested in her voluptuous body, sees her masturbating and her to perform fellatio on him.The next day, she have sex with him, which awakens her to womanhood, and they start to enjoy thick sex without each other's partner.