Yui, the serious honor student and student council president, had a secret sexual fetish that she couldn't tell anyone. She got turned on by being bound with hemp rope. She was a masochistic woman who was intoxicated by the ropes. Even during class, she would tighten hemp ropes around her body without wearing underwear, maintaining a serious expression while getting aroused. The trigger for this was when she was half-forcedly bound by her teacher and had a bondage sex experience. After that, she was trained in bondage and her masochistic tendencies blossomed. The sight of the talented and beautiful student council president being bound in front of everyone and squirting profusely is breathtaking. #YōrōP