Mayuko (pseudonym) who was fascinated by anal pleasures abnormally from an early age when she peeked at her great aunt's outdoor excretion, and repeated anal masturbation alone in elementary, junior high and high school. - After graduating from university, Mayuko sealed away her abnormal anal sexual desire, saying, "This is no good." - She then married a man she had an affair with, and she had one daughter. - However, she could not suppress the abnormal anal masochism that she was born with, and at some point Mayuko was secretly repeating anal masturbation in the bathroom of the elementary school. - And the scene was discovered by her guardian, Mr. N... - This video is a video of Mayuko being teased variously by Mr. N, a sadist man who is also an anal maniac. - Please see the video sent to the editorial department of the SM magazine posted in real life.