Obscene Service 2

Yumi, cultivated as a mistress, and her daughter Sayaka are trying to escape their life on the edge, having to perform so-called "services".
They cooperate and try to run away, but fail, and are subjected to severe training as punishment.
Violation at their home, gangbanged by company employees, prostitution at a corporation, defecating in bathrooms...
And finally, outdoors sexual intercourse.
After this hard training, what feelings do the girls harbor in the hearts...?