An instructor should develop the abilities of his female students, notice their inclinations and act in that direction. And this maiden was best at playing the leather flute. This ability will benefit her a lot, not only in her studies, but also in everyday life. The main thing is daily rehearsals and on different flutes.
The brother made a joke, and the sister took offense at a completely innocent joke. And got kicked in the balls. At least their mother was the right one - she put her daughter in her place. That's right, let her kneel and suck it - she realized how wrong she was. Well, when the boy started pulling her up on his cunt like a whore, the mother realized that her educational task was done. Now there was one more bitch in the house.