Images of my girlfriend having sex with other men from morning till night during the 5 days I was away. (Yoshitaka Nene SSNI-570)

Hiroshi and Nene have been dating since their student days and are now living together. Hiroshi, considering marriage, feels uneasy, believing he's not good enough for Nene… One day, at a friend's suggestion, he installs a hidden camera in his home, and the result…