GVG-699 Yui Hatano, a female private tutor who is lustful for her student's dick

The tutor lady is an excellent tutor who has improved the grades of many students. However, in reality, she is a dick and likes co-mo. She goes on with her classes while hiding her sexual tendencies, but she ends up at the mercy of the pranks of the masochistic Hajime-kun and her cock is aching. And then, finally, reason comes to mind! The older sister whose self-control has collapsed turns into an erotic woman.