Shimizu, who came to stay at his friend's house, was completely captivated by the beauty and ample curves of his friend's mother, Sari. That night, before going to bed, Shimizu stopped by the toilet and happened to see her masturbating over the phone with her lover. Excited by this lewd sight, Shimizu began to blackmail Sari: 'Hey, Auntie. If you don't want to get exposed... you know what to do, right?'
