Kaede tsutsumi : 姻亲，性受挫 - 第1部分

Kaede lives in an apartment with her husband. Her husband is a very indifferent man, and she is always frustrated. One night, her boy, who is interested in Kaede's fascinating body, sees her masturbating and asked her to perform fellatio on him. The next day, he makes her have sex with him, and she came up as a woman. After that, she and he began to enjoy sex.