Today is the first time I visited my girlfriend, Kana's house. From the moment I met Kana's mother, I was captivated by her enormous breasts and seductive allure. We have been in a relationship for a while and of course have been intimate. But the feeling was not what I expected. We only engaged in traditional positions, I wanted to experiment more but Kana adamantly refused. It seemed like Kana's mother knew that I had been peeking at her breasts, she allowed me to touch them, gaze at them, and fondle them to my heart's content. 'Have you ever had unprotected sex?' 'Have you ever ejaculated inside someone?' 'Then why don't you do it inside me?' It was the first time I found exhibitionism so pleasurable, she guided me through positions I had never tried with Kana. We continued to have secret intimate moments, I even deceived Kana to have private encounters with her mother. And then the hidden truth came to light, Kana caught us in the act as I had just ejaculated a second time inside her mother's womb...