One day, after not being able to contact my girlfriend Yui for a while, Yui sent me a video. What was contained there was a farewell message from Yui and a record of how Yui had fallen. The man who stole her Yui carefully edited the video of memories of us on her smartphone and his own sex videos, and compared them to see how Yui had changed due to her training. It was emphasized. Yui's innocent and lovely appearance is overwritten with the lewdness of a masochist who climaxes with deep throating, choking, and her belly panties, and even the girl in her memory is taken away...