Restrained from behind, forced to masturbate behind a friend's back, humiliated at the neighbor's house, and then made to be cuckolded... After seeing Mihina's diary, we could no longer go back. She, Mihina, is a perfect girlfriend who is cute and kind. But she doesn't seem to enjoy sex very much. One day, I found Mihina's diary and learned about her past. It was filled with raw sexual experiences. While driven mad by jealousy, I also became aware of my own excitement. After gathering SM goods to try...
