A sex movie of Mizuki Yayoi, she and her boyfriend Kazuya have been living together for a while, the two have prepared everything for the upcoming wedding. Kazuya is a thoughtful, kind, rich person, always caring for Mizuki. There is only one thing that makes Mizuki unhappy, that is his sexual ability! Mizuki has a huge sexual desire but Kazuya cannot satisfy her, so Mizuki has to masturbate secretly every night. About to get married, Kazuya wants to study abroad in the US for a month. Here he meets Michael and is helped a lot by him. When he returns, Michael also wants to go to Japan to play, so Kazuya invites him to come home to live with him. After accidentally seeing Michael’s cock, Mizuki is shocked by its size and length. Michael discovers and knows that Mizuki is really craving his cock. Using the excuse of “we are family”, Michael started to seduce Mizuki, of course Mizuki couldn’t resist such a big cock. Secretly fucking a Western guy right next to her future husband! Mizuki even let him cum all over her pussy countless times! A week later, Michael left, Mizuki and Kazuya’s life returned to normal. And right before the wedding day, Kazuya came home but couldn’t find Mizuki, only a letter she left on the table. In the letter, Mizuki said she couldn’t stand Kazuya’s small, weak cock anymore. She was pregnant with Michael, she loved him and his big cock…