Going to the gym and being forced to have sex by the PT to reduce tuition fees

Masahiro Yui is a new swimming student who has just registered for the class. Previously, few female students had signed up for these two young instructors' courses, so her appearance made the two instructors cheer up. , but it seemed that this girl had noticed the young trainer, so after a few lessons she agreed to secretly have sex with him at the center and was discovered by the other colleague and from then on she was forced to have sex. under the swimming pool, although she didn't like it much, it seemed like the feeling of having sex underwater was very pleasant